216573885

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 128

約数和(自身を含む): 447897600

約数和(自身を除く): 231323715

約数列:

[1, 3, 5, 9, 11, 15, 27, 29, 33, 45, 47, 55, 87, 99, 107, 135, 141, 145, 165, 235, 261, 297, 319, 321, 423, 435, 495, 517, 535, 705, 783, 957, 963, 1177, 1269, 1305, 1363, 1485, 1551, 1595, 1605, 2115, 2585, 2871, 2889, 3103, 3531, 3915, 4089, 4653, 4785, 4815, 5029, 5885, 6345, 6815, 7755, 8613, 9309, 10593, 12267, 13959, 14355, 14445, 14993, 15087, 15515, 17655, 20445, 23265, 25145, 27927, 31779, 34133, 36801, 43065, 44979, 45261, 46545, 52965, 55319, 61335, 69795, 74965, 75435, 83781, 102399, 134937, 135783, 139635, 145841, 158895, 165957, 170665, 184005, 224895, 226305, 276595, 307197, 404811, 418905, 437523, 497871, 511995, 674685, 678915, 729205, 829785, 921591, 1312569, 1493613, 1535985, 1604251, 2024055, 2187615, 2489355, 3937707, 4607955, 4812753, 6562845, 7468065, 8021255, 14438259, 19688535, 24063765, 43314777, 72191295, 216573885]

約数ペア:

[(1, 216573885), (3, 72191295), (5, 43314777), (9, 24063765), (11, 19688535), (15, 14438259), (27, 8021255), (29, 7468065), (33, 6562845), (45, 4812753), (47, 4607955), (55, 3937707), (87, 2489355), (99, 2187615), (107, 2024055), (135, 1604251), (141, 1535985), (145, 1493613), (165, 1312569), (235, 921591), (261, 829785), (297, 729205), (319, 678915), (321, 674685), (423, 511995), (435, 497871), (495, 437523), (517, 418905), (535, 404811), (705, 307197), (783, 276595), (957, 226305), (963, 224895), (1177, 184005), (1269, 170665), (1305, 165957), (1363, 158895), (1485, 145841), (1551, 139635), (1595, 135783), (1605, 134937), (2115, 102399), (2585, 83781), (2871, 75435), (2889, 74965), (3103, 69795), (3531, 61335), (3915, 55319), (4089, 52965), (4653, 46545), (4785, 45261), (4815, 44979), (5029, 43065), (5885, 36801), (6345, 34133), (6815, 31779), (7755, 27927), (8613, 25145), (9309, 23265), (10593, 20445), (12267, 17655), (13959, 15515), (14355, 15087), (14445, 14993)]