261485343

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{56857}}^1$

素因数の和:56943

約数の個数: 24

約数和(自身を含む): 437579168

約数和(自身を除く): 176093825

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4599, 56857, 170571, 397999, 511713, 1193997, 3581991, 4150561, 12451683, 29053927, 37355049, 87161781, 261485343]

約数ペア:

[(1, 261485343), (3, 87161781), (7, 37355049), (9, 29053927), (21, 12451683), (63, 4150561), (73, 3581991), (219, 1193997), (511, 511713), (657, 397999), (1533, 170571), (4599, 56857)]