39690931

素因数分解:

$7^4\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:360

約数の個数: 20

約数和(自身を含む): 47236064

約数和(自身を除く): 7545133

約数列:

[1, 7, 49, 61, 271, 343, 427, 1897, 2401, 2989, 13279, 16531, 20923, 92953, 115717, 146461, 650671, 810019, 5670133, 39690931]

約数ペア:

[(1, 39690931), (7, 5670133), (49, 810019), (61, 650671), (271, 146461), (343, 115717), (427, 92953), (1897, 20923), (2401, 16531), (2989, 13279)]