83778975

素因数分解:

$3^3\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:199

約数の個数: 144

約数和(自身を含む): 190836000

約数和(自身を除く): 107057025

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 27, 35, 45, 49, 51, 63, 75, 85, 105, 119, 135, 147, 149, 153, 175, 189, 225, 245, 255, 315, 357, 425, 441, 447, 459, 525, 595, 675, 735, 745, 765, 833, 945, 1043, 1071, 1225, 1275, 1323, 1341, 1575, 1785, 2205, 2235, 2295, 2499, 2533, 2975, 3129, 3213, 3675, 3725, 3825, 4023, 4165, 4725, 5215, 5355, 6615, 6705, 7301, 7497, 7599, 8925, 9387, 11025, 11175, 11475, 12495, 12665, 15645, 16065, 17731, 20115, 20825, 21903, 22491, 22797, 26075, 26775, 28161, 33075, 33525, 36505, 37485, 37995, 46935, 53193, 62475, 63325, 65709, 68391, 78225, 80325, 88655, 100575, 109515, 112455, 113985, 124117, 140805, 159579, 182525, 187425, 189975, 197127, 234675, 265965, 328545, 341955, 372351, 443275, 478737, 547575, 562275, 569925, 620585, 704025, 797895, 985635, 1117053, 1329825, 1642725, 1709775, 1861755, 2393685, 3102925, 3351159, 3989475, 4928175, 5585265, 9308775, 11968425, 16755795, 27926325, 83778975]

約数ペア:

[(1, 83778975), (3, 27926325), (5, 16755795), (7, 11968425), (9, 9308775), (15, 5585265), (17, 4928175), (21, 3989475), (25, 3351159), (27, 3102925), (35, 2393685), (45, 1861755), (49, 1709775), (51, 1642725), (63, 1329825), (75, 1117053), (85, 985635), (105, 797895), (119, 704025), (135, 620585), (147, 569925), (149, 562275), (153, 547575), (175, 478737), (189, 443275), (225, 372351), (245, 341955), (255, 328545), (315, 265965), (357, 234675), (425, 197127), (441, 189975), (447, 187425), (459, 182525), (525, 159579), (595, 140805), (675, 124117), (735, 113985), (745, 112455), (765, 109515), (833, 100575), (945, 88655), (1043, 80325), (1071, 78225), (1225, 68391), (1275, 65709), (1323, 63325), (1341, 62475), (1575, 53193), (1785, 46935), (2205, 37995), (2235, 37485), (2295, 36505), (2499, 33525), (2533, 33075), (2975, 28161), (3129, 26775), (3213, 26075), (3675, 22797), (3725, 22491), (3825, 21903), (4023, 20825), (4165, 20115), (4725, 17731), (5215, 16065), (5355, 15645), (6615, 12665), (6705, 12495), (7301, 11475), (7497, 11175), (7599, 11025), (8925, 9387)]