30980887

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 38413440

約数和(自身を除く): 7432553

約数列:

[1, 7, 19, 49, 107, 133, 311, 749, 931, 2033, 2177, 5243, 5909, 14231, 15239, 33277, 41363, 99617, 232939, 289541, 632263, 1630573, 4425841, 30980887]

約数ペア:

[(1, 30980887), (7, 4425841), (19, 1630573), (49, 632263), (107, 289541), (133, 232939), (311, 99617), (749, 41363), (931, 33277), (2033, 15239), (2177, 14231), (5243, 5909)]