31129857

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{821}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 49241088

約数和(自身を除く): 18111231

約数列:

[1, 3, 9, 11, 33, 99, 383, 821, 1149, 2463, 3447, 4213, 7389, 9031, 12639, 27093, 37917, 81279, 314443, 943329, 2829987, 3458873, 10376619, 31129857]

約数ペア:

[(1, 31129857), (3, 10376619), (9, 3458873), (11, 2829987), (33, 943329), (99, 314443), (383, 81279), (821, 37917), (1149, 27093), (2463, 12639), (3447, 9031), (4213, 7389)]