25418445

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 45395712

約数和(自身を除く): 19977267

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 169, 185, 195, 271, 481, 507, 555, 813, 845, 1355, 1443, 2405, 2535, 3523, 4065, 6253, 7215, 10027, 10569, 17615, 18759, 30081, 31265, 45799, 50135, 52845, 93795, 130351, 137397, 150405, 228995, 391053, 651755, 686985, 1694563, 1955265, 5083689, 8472815, 25418445]

約数ペア:

[(1, 25418445), (3, 8472815), (5, 5083689), (13, 1955265), (15, 1694563), (37, 686985), (39, 651755), (65, 391053), (111, 228995), (169, 150405), (185, 137397), (195, 130351), (271, 93795), (481, 52845), (507, 50135), (555, 45799), (813, 31265), (845, 30081), (1355, 18759), (1443, 17615), (2405, 10569), (2535, 10027), (3523, 7215), (4065, 6253)]