30891931

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3539}}^1$

素因数の和:3618

約数の個数: 16

約数和(自身を含む): 37382400

約数和(自身を除く): 6490469

約数列:

[1, 7, 29, 43, 203, 301, 1247, 3539, 8729, 24773, 102631, 152177, 718417, 1065239, 4413133, 30891931]

約数ペア:

[(1, 30891931), (7, 4413133), (29, 1065239), (43, 718417), (203, 152177), (301, 102631), (1247, 24773), (3539, 8729)]