68915475

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^2\times {\mathrm{193}}^1$

素因数の和:258

約数の個数: 72

約数和(自身を含む): 133029680

約数和(自身を除く): 64114205

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 135, 193, 207, 225, 345, 529, 575, 579, 621, 675, 965, 1035, 1587, 1725, 1737, 2645, 2895, 3105, 4439, 4761, 4825, 5175, 5211, 7935, 8685, 13225, 13317, 14283, 14475, 15525, 22195, 23805, 26055, 39675, 39951, 43425, 66585, 71415, 102097, 110975, 119025, 119853, 130275, 199755, 306291, 332925, 357075, 510485, 599265, 918873, 998775, 1531455, 2552425, 2756619, 2996325, 4594365, 7657275, 13783095, 22971825, 68915475]

約数ペア:

[(1, 68915475), (3, 22971825), (5, 13783095), (9, 7657275), (15, 4594365), (23, 2996325), (25, 2756619), (27, 2552425), (45, 1531455), (69, 998775), (75, 918873), (115, 599265), (135, 510485), (193, 357075), (207, 332925), (225, 306291), (345, 199755), (529, 130275), (575, 119853), (579, 119025), (621, 110975), (675, 102097), (965, 71415), (1035, 66585), (1587, 43425), (1725, 39951), (1737, 39675), (2645, 26055), (2895, 23805), (3105, 22195), (4439, 15525), (4761, 14475), (4825, 14283), (5175, 13317), (5211, 13225), (7935, 8685)]