1530425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 2171736

約数和(自身を除く): 641311

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 277, 325, 425, 1105, 1385, 3601, 4709, 5525, 6925, 18005, 23545, 61217, 90025, 117725, 306085, 1530425]

約数ペア:

[(1, 1530425), (5, 306085), (13, 117725), (17, 90025), (25, 61217), (65, 23545), (85, 18005), (221, 6925), (277, 5525), (325, 4709), (425, 3601), (1105, 1385)]