38990931

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{9721}}^1$

素因数の和:9922

約数の個数: 16

約数和(自身を含む): 59731968

約数和(自身を除く): 20741037

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 9721, 29163, 68047, 204141, 1856711, 5570133, 12996977, 38990931]

約数ペア:

[(1, 38990931), (3, 12996977), (7, 5570133), (21, 1856711), (191, 204141), (573, 68047), (1337, 29163), (4011, 9721)]