28138665

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 18309975

約数列:

[1, 3, 5, 15, 47, 141, 167, 235, 239, 501, 705, 717, 835, 1195, 2505, 3585, 7849, 11233, 23547, 33699, 39245, 39913, 56165, 117735, 119739, 168495, 199565, 598695, 1875911, 5627733, 9379555, 28138665]

約数ペア:

[(1, 28138665), (3, 9379555), (5, 5627733), (15, 1875911), (47, 598695), (141, 199565), (167, 168495), (235, 119739), (239, 117735), (501, 56165), (705, 39913), (717, 39245), (835, 33699), (1195, 23547), (2505, 11233), (3585, 7849)]