30420549

素因数分解:

$3^3\times {\mathrm{37}}^2\times {\mathrm{823}}^1$

素因数の和:906

約数の個数: 24

約数和(自身を含む): 46374720

約数和(自身を除く): 15954171

約数列:

[1, 3, 9, 27, 37, 111, 333, 823, 999, 1369, 2469, 4107, 7407, 12321, 22221, 30451, 36963, 91353, 274059, 822177, 1126687, 3380061, 10140183, 30420549]

約数ペア:

[(1, 30420549), (3, 10140183), (9, 3380061), (27, 1126687), (37, 822177), (111, 274059), (333, 91353), (823, 36963), (999, 30451), (1369, 22221), (2469, 12321), (4107, 7407)]