215296875

素因数分解:

$3^2\times 5^6\times {\mathrm{1531}}^1$

素因数の和:1567

約数の個数: 42

約数和(自身を含む): 388979396

約数和(自身を除く): 173682521

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1531, 1875, 3125, 4593, 5625, 7655, 9375, 13779, 15625, 22965, 28125, 38275, 46875, 68895, 114825, 140625, 191375, 344475, 574125, 956875, 1722375, 2870625, 4784375, 8611875, 14353125, 23921875, 43059375, 71765625, 215296875]

約数ペア:

[(1, 215296875), (3, 71765625), (5, 43059375), (9, 23921875), (15, 14353125), (25, 8611875), (45, 4784375), (75, 2870625), (125, 1722375), (225, 956875), (375, 574125), (625, 344475), (1125, 191375), (1531, 140625), (1875, 114825), (3125, 68895), (4593, 46875), (5625, 38275), (7655, 28125), (9375, 22965), (13779, 15625)]