30154159

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:708

約数の個数: 20

約数和(自身を含む): 37085240

約数和(自身を除く): 6931081

約数列:

[1, 7, 19, 49, 133, 343, 661, 931, 2401, 4627, 6517, 12559, 32389, 45619, 87913, 226723, 615391, 1587061, 4307737, 30154159]

約数ペア:

[(1, 30154159), (7, 4307737), (19, 1587061), (49, 615391), (133, 226723), (343, 87913), (661, 45619), (931, 32389), (2401, 12559), (4627, 6517)]