201729025

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 254454200

約数和(自身を除く): 52725175

約数列:

[1, 5, 25, 109, 181, 409, 545, 905, 2045, 2725, 4525, 10225, 19729, 44581, 74029, 98645, 222905, 370145, 493225, 1114525, 1850725, 8069161, 40345805, 201729025]

約数ペア:

[(1, 201729025), (5, 40345805), (25, 8069161), (109, 1850725), (181, 1114525), (409, 493225), (545, 370145), (905, 222905), (2045, 98645), (2725, 74029), (4525, 44581), (10225, 19729)]