66515625

素因数分解:

$3^2\times 5^6\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 84

約数和(自身を含む): 134060784

約数和(自身を除く): 67545159

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 43, 45, 55, 75, 99, 125, 129, 165, 215, 225, 275, 375, 387, 473, 495, 625, 645, 825, 1075, 1125, 1375, 1419, 1875, 1935, 2365, 2475, 3125, 3225, 4125, 4257, 5375, 5625, 6875, 7095, 9375, 9675, 11825, 12375, 15625, 16125, 20625, 21285, 26875, 28125, 34375, 35475, 46875, 48375, 59125, 61875, 80625, 103125, 106425, 134375, 140625, 171875, 177375, 241875, 295625, 309375, 403125, 515625, 532125, 671875, 886875, 1209375, 1478125, 1546875, 2015625, 2660625, 4434375, 6046875, 7390625, 13303125, 22171875, 66515625]

約数ペア:

[(1, 66515625), (3, 22171875), (5, 13303125), (9, 7390625), (11, 6046875), (15, 4434375), (25, 2660625), (33, 2015625), (43, 1546875), (45, 1478125), (55, 1209375), (75, 886875), (99, 671875), (125, 532125), (129, 515625), (165, 403125), (215, 309375), (225, 295625), (275, 241875), (375, 177375), (387, 171875), (473, 140625), (495, 134375), (625, 106425), (645, 103125), (825, 80625), (1075, 61875), (1125, 59125), (1375, 48375), (1419, 46875), (1875, 35475), (1935, 34375), (2365, 28125), (2475, 26875), (3125, 21285), (3225, 20625), (4125, 16125), (4257, 15625), (5375, 12375), (5625, 11825), (6875, 9675), (7095, 9375)]