201227975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19973}}^1$

素因数の和:20027

約数の個数: 24

約数和(自身を含む): 277398912

約数和(自身を除く): 76170937

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 10075, 19973, 99865, 259649, 499325, 619163, 1298245, 3095815, 6491225, 8049119, 15479075, 40245595, 201227975]

約数ペア:

[(1, 201227975), (5, 40245595), (13, 15479075), (25, 8049119), (31, 6491225), (65, 3095815), (155, 1298245), (325, 619163), (403, 499325), (775, 259649), (2015, 99865), (10075, 19973)]