520013727

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{1933}}^1$

素因数の和:2431

約数の個数: 24

約数和(自身を含む): 763914528

約数和(自身を除く): 243900801

約数列:

[1, 3, 9, 71, 213, 421, 639, 1263, 1933, 3789, 5799, 17397, 29891, 89673, 137243, 269019, 411729, 813793, 1235187, 2441379, 7324137, 57779303, 173337909, 520013727]

約数ペア:

[(1, 520013727), (3, 173337909), (9, 57779303), (71, 7324137), (213, 2441379), (421, 1235187), (639, 813793), (1263, 411729), (1933, 269019), (3789, 137243), (5799, 89673), (17397, 29891)]