31515921

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{383}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 46964736

約数和(自身を除く): 15448815

約数列:

[1, 3, 9, 41, 123, 223, 369, 383, 669, 1149, 2007, 3447, 9143, 15703, 27429, 47109, 82287, 85409, 141327, 256227, 768681, 3501769, 10505307, 31515921]

約数ペア:

[(1, 31515921), (3, 10505307), (9, 3501769), (41, 768681), (123, 256227), (223, 141327), (369, 85409), (383, 82287), (669, 47109), (1149, 27429), (2007, 15703), (3447, 9143)]