31230661

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21347}}^1$

素因数の和:21384

約数の個数: 16

約数和(自身を含む): 40988160

約数和(自身を除く): 9757499

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 21347, 149429, 234817, 405593, 1643719, 2839151, 4461523, 31230661]

約数ペア:

[(1, 31230661), (7, 4461523), (11, 2839151), (19, 1643719), (77, 405593), (133, 234817), (209, 149429), (1463, 21347)]