28810275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{2273}}^1$

素因数の和:2312

約数の個数: 36

約数和(自身を含む): 51601608

約数和(自身を除く): 22791333

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 169, 195, 325, 507, 845, 975, 2273, 2535, 4225, 6819, 11365, 12675, 29549, 34095, 56825, 88647, 147745, 170475, 384137, 443235, 738725, 1152411, 1920685, 2216175, 5762055, 9603425, 28810275]

約数ペア:

[(1, 28810275), (3, 9603425), (5, 5762055), (13, 2216175), (15, 1920685), (25, 1152411), (39, 738725), (65, 443235), (75, 384137), (169, 170475), (195, 147745), (325, 88647), (507, 56825), (845, 34095), (975, 29549), (2273, 12675), (2535, 11365), (4225, 6819)]