400178637

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{35543}}^1$

素因数の和:35694

約数の個数: 20

約数和(自身を含む): 602115360

約数和(自身を除く): 201936723

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 35543, 106629, 319887, 959661, 2878983, 4940477, 14821431, 44464293, 133392879, 400178637]

約数ペア:

[(1, 400178637), (3, 133392879), (9, 44464293), (27, 14821431), (81, 4940477), (139, 2878983), (417, 959661), (1251, 319887), (3753, 106629), (11259, 35543)]