31438521

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1627}}^1$

素因数の和:1765

約数の個数: 24

約数和(自身を含む): 48253920

約数和(自身を除く): 16815399

約数列:

[1, 3, 9, 19, 57, 113, 171, 339, 1017, 1627, 2147, 4881, 6441, 14643, 19323, 30913, 92739, 183851, 278217, 551553, 1654659, 3493169, 10479507, 31438521]

約数ペア:

[(1, 31438521), (3, 10479507), (9, 3493169), (19, 1654659), (57, 551553), (113, 278217), (171, 183851), (339, 92739), (1017, 30913), (1627, 19323), (2147, 14643), (4881, 6441)]