12787125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 64

約数和(自身を含む): 23831808

約数和(自身を除く): 11044683

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 61, 65, 75, 125, 129, 183, 195, 215, 305, 325, 375, 559, 645, 793, 915, 975, 1075, 1525, 1625, 1677, 2379, 2623, 2795, 3225, 3965, 4575, 4875, 5375, 7625, 7869, 8385, 11895, 13115, 13975, 16125, 19825, 22875, 34099, 39345, 41925, 59475, 65575, 69875, 99125, 102297, 170495, 196725, 209625, 297375, 327875, 511485, 852475, 983625, 2557425, 4262375, 12787125]

約数ペア:

[(1, 12787125), (3, 4262375), (5, 2557425), (13, 983625), (15, 852475), (25, 511485), (39, 327875), (43, 297375), (61, 209625), (65, 196725), (75, 170495), (125, 102297), (129, 99125), (183, 69875), (195, 65575), (215, 59475), (305, 41925), (325, 39345), (375, 34099), (559, 22875), (645, 19825), (793, 16125), (915, 13975), (975, 13115), (1075, 11895), (1525, 8385), (1625, 7869), (1677, 7625), (2379, 5375), (2623, 4875), (2795, 4575), (3225, 3965)]