1580391

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:300

約数の個数: 20

約数和(自身を含む): 2395800

約数和(自身を除く): 815409

約数列:

[1, 3, 9, 27, 81, 109, 179, 327, 537, 981, 1611, 2943, 4833, 8829, 14499, 19511, 58533, 175599, 526797, 1580391]

約数ペア:

[(1, 1580391), (3, 526797), (9, 175599), (27, 58533), (81, 19511), (109, 14499), (179, 8829), (327, 4833), (537, 2943), (981, 1611)]