2809973355405

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1\times {\mathrm{420253}}^1$

素因数の和:421118

約数の個数: 64

約数和(自身を含む): 4901842656000

約数和(自身を除く): 2091869300595

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 285, 435, 551, 809, 1653, 2427, 2755, 4045, 8265, 12135, 15371, 23461, 46113, 70383, 76855, 117305, 230565, 351915, 420253, 445759, 1260759, 1337277, 2101265, 2228795, 6303795, 6686385, 7984807, 12187337, 23954421, 36562011, 39924035, 60936685, 119772105, 182810055, 231559403, 339984677, 694678209, 1019954031, 1157797015, 1699923385, 3473391045, 5099770155, 6459708863, 9859555633, 19379126589, 29578666899, 32298544315, 49297778165, 96895632945, 147893334495, 187331557027, 561994671081, 936657785135, 2809973355405]

約数ペア:

[(1, 2809973355405), (3, 936657785135), (5, 561994671081), (15, 187331557027), (19, 147893334495), (29, 96895632945), (57, 49297778165), (87, 32298544315), (95, 29578666899), (145, 19379126589), (285, 9859555633), (435, 6459708863), (551, 5099770155), (809, 3473391045), (1653, 1699923385), (2427, 1157797015), (2755, 1019954031), (4045, 694678209), (8265, 339984677), (12135, 231559403), (15371, 182810055), (23461, 119772105), (46113, 60936685), (70383, 39924035), (76855, 36562011), (117305, 23954421), (230565, 12187337), (351915, 7984807), (420253, 6686385), (445759, 6303795), (1260759, 2228795), (1337277, 2101265)]