31335451

素因数分解:

$7^4\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:480

約数の個数: 20

約数和(自身を含む): 37824704

約数和(自身を除く): 6489253

約数列:

[1, 7, 31, 49, 217, 343, 421, 1519, 2401, 2947, 10633, 13051, 20629, 74431, 91357, 144403, 639499, 1010821, 4476493, 31335451]

約数ペア:

[(1, 31335451), (7, 4476493), (31, 1010821), (49, 639499), (217, 144403), (343, 91357), (421, 74431), (1519, 20629), (2401, 13051), (2947, 10633)]