90703125

素因数分解:

$3^3\times 5^7\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 64

約数和(自身を含む): 171874560

約数和(自身を除く): 81171435

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 125, 129, 135, 215, 225, 375, 387, 625, 645, 675, 1075, 1125, 1161, 1875, 1935, 3125, 3225, 3375, 5375, 5625, 5805, 9375, 9675, 15625, 16125, 16875, 26875, 28125, 29025, 46875, 48375, 78125, 80625, 84375, 134375, 140625, 145125, 234375, 241875, 403125, 421875, 671875, 703125, 725625, 1209375, 2015625, 2109375, 3359375, 3628125, 6046875, 10078125, 18140625, 30234375, 90703125]

約数ペア:

[(1, 90703125), (3, 30234375), (5, 18140625), (9, 10078125), (15, 6046875), (25, 3628125), (27, 3359375), (43, 2109375), (45, 2015625), (75, 1209375), (125, 725625), (129, 703125), (135, 671875), (215, 421875), (225, 403125), (375, 241875), (387, 234375), (625, 145125), (645, 140625), (675, 134375), (1075, 84375), (1125, 80625), (1161, 78125), (1875, 48375), (1935, 46875), (3125, 29025), (3225, 28125), (3375, 26875), (5375, 16875), (5625, 16125), (5805, 15625), (9375, 9675)]