31811351

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1493}}^1$

素因数の和:1666

約数の個数: 16

約数和(自身を含む): 37648800

約数和(自身を除く): 5837449

約数列:

[1, 11, 13, 143, 149, 1493, 1639, 1937, 16423, 19409, 21307, 213499, 222457, 2447027, 2891941, 31811351]

約数ペア:

[(1, 31811351), (11, 2891941), (13, 2447027), (143, 222457), (149, 213499), (1493, 21307), (1639, 19409), (1937, 16423)]