31894737

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12763}}^1$

素因数の和:12797

約数の個数: 24

約数和(自身を含む): 52383456

約数和(自身を除く): 20488719

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 12763, 38289, 89341, 216971, 268023, 625387, 650913, 1518797, 1876161, 4556391, 10631579, 31894737]

約数ペア:

[(1, 31894737), (3, 10631579), (7, 4556391), (17, 1876161), (21, 1518797), (49, 650913), (51, 625387), (119, 268023), (147, 216971), (357, 89341), (833, 38289), (2499, 12763)]