221471309745

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{101}}^2\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:816

約数の個数: 144

約数和(自身を含む): 446949085440

約数和(自身を除く): 225477775695

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 101, 105, 157, 303, 315, 439, 471, 505, 707, 785, 909, 1099, 1317, 1413, 1515, 2121, 2195, 2355, 3073, 3297, 3535, 3951, 4545, 5495, 6363, 6585, 7065, 9219, 9891, 10201, 10605, 15365, 15857, 16485, 19755, 27657, 30603, 31815, 44339, 46095, 47571, 49455, 51005, 68923, 71407, 79285, 91809, 110999, 133017, 138285, 142713, 153015, 206769, 214221, 221695, 237855, 310373, 332997, 344615, 357035, 399051, 459045, 482461, 554995, 620307, 642663, 665085, 713565, 931119, 998991, 1033845, 1071105, 1447383, 1551865, 1601557, 1664985, 1995255, 2412305, 2793357, 3101535, 3213315, 4342149, 4478239, 4655595, 4804671, 4994955, 6961223, 7236915, 8007785, 11210899, 13434717, 13966785, 14414013, 20883669, 21710745, 22391195, 24023355, 31347673, 33632697, 34806115, 40304151, 48728561, 56054495, 62651007, 67173585, 72070065, 94043019, 100898091, 104418345, 146185683, 156738365, 168163485, 201520755, 243642805, 282129057, 313255035, 438557049, 470215095, 504490455, 703083523, 730928415, 1410645285, 2109250569, 2192785245, 3515417615, 4921584661, 6327751707, 10546252845, 14764753983, 24607923305, 31638758535, 44294261949, 73823769915, 221471309745]

約数ペア:

[(1, 221471309745), (3, 73823769915), (5, 44294261949), (7, 31638758535), (9, 24607923305), (15, 14764753983), (21, 10546252845), (35, 6327751707), (45, 4921584661), (63, 3515417615), (101, 2192785245), (105, 2109250569), (157, 1410645285), (303, 730928415), (315, 703083523), (439, 504490455), (471, 470215095), (505, 438557049), (707, 313255035), (785, 282129057), (909, 243642805), (1099, 201520755), (1317, 168163485), (1413, 156738365), (1515, 146185683), (2121, 104418345), (2195, 100898091), (2355, 94043019), (3073, 72070065), (3297, 67173585), (3535, 62651007), (3951, 56054495), (4545, 48728561), (5495, 40304151), (6363, 34806115), (6585, 33632697), (7065, 31347673), (9219, 24023355), (9891, 22391195), (10201, 21710745), (10605, 20883669), (15365, 14414013), (15857, 13966785), (16485, 13434717), (19755, 11210899), (27657, 8007785), (30603, 7236915), (31815, 6961223), (44339, 4994955), (46095, 4804671), (47571, 4655595), (49455, 4478239), (51005, 4342149), (68923, 3213315), (71407, 3101535), (79285, 2793357), (91809, 2412305), (110999, 1995255), (133017, 1664985), (138285, 1601557), (142713, 1551865), (153015, 1447383), (206769, 1071105), (214221, 1033845), (221695, 998991), (237855, 931119), (310373, 713565), (332997, 665085), (344615, 642663), (357035, 620307), (399051, 554995), (459045, 482461)]