68765625

素因数分解:

$3^3\times 5^6\times {\mathrm{163}}^1$

素因数の和:202

約数の個数: 56

約数和(自身を含む): 128123360

約数和(自身を除く): 59357735

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 163, 225, 375, 489, 625, 675, 815, 1125, 1467, 1875, 2445, 3125, 3375, 4075, 4401, 5625, 7335, 9375, 12225, 15625, 16875, 20375, 22005, 28125, 36675, 46875, 61125, 84375, 101875, 110025, 140625, 183375, 305625, 421875, 509375, 550125, 916875, 1528125, 2546875, 2750625, 4584375, 7640625, 13753125, 22921875, 68765625]

約数ペア:

[(1, 68765625), (3, 22921875), (5, 13753125), (9, 7640625), (15, 4584375), (25, 2750625), (27, 2546875), (45, 1528125), (75, 916875), (125, 550125), (135, 509375), (163, 421875), (225, 305625), (375, 183375), (489, 140625), (625, 110025), (675, 101875), (815, 84375), (1125, 61125), (1467, 46875), (1875, 36675), (2445, 28125), (3125, 22005), (3375, 20375), (4075, 16875), (4401, 15625), (5625, 12225), (7335, 9375)]