242578125

素因数分解:

$3^3\times 5^8\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 72

約数和(自身を含む): 468749760

約数和(自身を除く): 226171635

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 125, 135, 207, 225, 345, 375, 575, 621, 625, 675, 1035, 1125, 1725, 1875, 2875, 3105, 3125, 3375, 5175, 5625, 8625, 9375, 14375, 15525, 15625, 16875, 25875, 28125, 43125, 46875, 71875, 77625, 78125, 84375, 129375, 140625, 215625, 234375, 359375, 388125, 390625, 421875, 646875, 703125, 1078125, 1171875, 1796875, 1940625, 2109375, 3234375, 3515625, 5390625, 8984375, 9703125, 10546875, 16171875, 26953125, 48515625, 80859375, 242578125]

約数ペア:

[(1, 242578125), (3, 80859375), (5, 48515625), (9, 26953125), (15, 16171875), (23, 10546875), (25, 9703125), (27, 8984375), (45, 5390625), (69, 3515625), (75, 3234375), (115, 2109375), (125, 1940625), (135, 1796875), (207, 1171875), (225, 1078125), (345, 703125), (375, 646875), (575, 421875), (621, 390625), (625, 388125), (675, 359375), (1035, 234375), (1125, 215625), (1725, 140625), (1875, 129375), (2875, 84375), (3105, 78125), (3125, 77625), (3375, 71875), (5175, 46875), (5625, 43125), (8625, 28125), (9375, 25875), (14375, 16875), (15525, 15625)]