31672071

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1511}}^1$

素因数の和:1671

約数の個数: 24

約数和(自身を含む): 48825504

約数和(自身を除く): 17153433

約数列:

[1, 3, 9, 17, 51, 137, 153, 411, 1233, 1511, 2329, 4533, 6987, 13599, 20961, 25687, 77061, 207007, 231183, 621021, 1863063, 3519119, 10557357, 31672071]

約数ペア:

[(1, 31672071), (3, 10557357), (9, 3519119), (17, 1863063), (51, 621021), (137, 231183), (153, 207007), (411, 77061), (1233, 25687), (1511, 20961), (2329, 13599), (4533, 6987)]