28931319

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1901}}^1$

素因数の和:2015

約数の個数: 24

約数和(自身を含む): 44506800

約数和(自身を除く): 15575481

約数列:

[1, 3, 9, 19, 57, 89, 171, 267, 801, 1691, 1901, 5073, 5703, 15219, 17109, 36119, 108357, 169189, 325071, 507567, 1522701, 3214591, 9643773, 28931319]

約数ペア:

[(1, 28931319), (3, 9643773), (9, 3214591), (19, 1522701), (57, 507567), (89, 325071), (171, 169189), (267, 108357), (801, 36119), (1691, 17109), (1901, 15219), (5073, 5703)]