31212747

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{653}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 46522944

約数和(自身を除く): 15310197

約数列:

[1, 3, 9, 47, 113, 141, 339, 423, 653, 1017, 1959, 5311, 5877, 15933, 30691, 47799, 73789, 92073, 221367, 276219, 664101, 3468083, 10404249, 31212747]

約数ペア:

[(1, 31212747), (3, 10404249), (9, 3468083), (47, 664101), (113, 276219), (141, 221367), (339, 92073), (423, 73789), (653, 47799), (1017, 30691), (1959, 15933), (5311, 5877)]