70991991

素因数分解:

$3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3719}}^1$

素因数の和:3836

約数の個数: 32

約数和(自身を含む): 121420800

約数和(自身を除く): 50428809

約数列:

[1, 3, 7, 9, 21, 27, 63, 101, 189, 303, 707, 909, 2121, 2727, 3719, 6363, 11157, 19089, 26033, 33471, 78099, 100413, 234297, 375619, 702891, 1126857, 2629333, 3380571, 7887999, 10141713, 23663997, 70991991]

約数ペア:

[(1, 70991991), (3, 23663997), (7, 10141713), (9, 7887999), (21, 3380571), (27, 2629333), (63, 1126857), (101, 702891), (189, 375619), (303, 234297), (707, 100413), (909, 78099), (2121, 33471), (2727, 26033), (3719, 19089), (6363, 11157)]