51589665

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 92416896

約数和(自身を除く): 40827231

約数列:

[1, 3, 5, 9, 15, 45, 67, 71, 201, 213, 241, 335, 355, 603, 639, 723, 1005, 1065, 1205, 2169, 3015, 3195, 3615, 4757, 10845, 14271, 16147, 17111, 23785, 42813, 48441, 51333, 71355, 80735, 85555, 145323, 153999, 214065, 242205, 256665, 726615, 769995, 1146437, 3439311, 5732185, 10317933, 17196555, 51589665]

約数ペア:

[(1, 51589665), (3, 17196555), (5, 10317933), (9, 5732185), (15, 3439311), (45, 1146437), (67, 769995), (71, 726615), (201, 256665), (213, 242205), (241, 214065), (335, 153999), (355, 145323), (603, 85555), (639, 80735), (723, 71355), (1005, 51333), (1065, 48441), (1205, 42813), (2169, 23785), (3015, 17111), (3195, 16147), (3615, 14271), (4757, 10845)]