15964875

素因数分解:

$3^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 30079296

約数和(自身を除く): 14114421

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 125, 207, 225, 345, 375, 575, 617, 1035, 1125, 1725, 1851, 2875, 3085, 5175, 5553, 8625, 9255, 14191, 15425, 25875, 27765, 42573, 46275, 70955, 77125, 127719, 138825, 212865, 231375, 354775, 638595, 694125, 1064325, 1773875, 3192975, 5321625, 15964875]

約数ペア:

[(1, 15964875), (3, 5321625), (5, 3192975), (9, 1773875), (15, 1064325), (23, 694125), (25, 638595), (45, 354775), (69, 231375), (75, 212865), (115, 138825), (125, 127719), (207, 77125), (225, 70955), (345, 46275), (375, 42573), (575, 27765), (617, 25875), (1035, 15425), (1125, 14191), (1725, 9255), (1851, 8625), (2875, 5553), (3085, 5175)]