213825025

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{443}}^1\times {\mathrm{449}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 272527200

約数和(自身を除く): 58702175

約数列:

[1, 5, 25, 43, 215, 443, 449, 1075, 2215, 2245, 11075, 11225, 19049, 19307, 95245, 96535, 198907, 476225, 482675, 994535, 4972675, 8553001, 42765005, 213825025]

約数ペア:

[(1, 213825025), (5, 42765005), (25, 8553001), (43, 4972675), (215, 994535), (443, 482675), (449, 476225), (1075, 198907), (2215, 96535), (2245, 95245), (11075, 19307), (11225, 19049)]