2645907

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 4002768

約数和(自身を除く): 1356861

約数列:

[1, 3, 11, 33, 37, 111, 121, 197, 363, 407, 591, 1221, 2167, 4477, 6501, 7289, 13431, 21867, 23837, 71511, 80179, 240537, 881969, 2645907]

約数ペア:

[(1, 2645907), (3, 881969), (11, 240537), (33, 80179), (37, 71511), (111, 23837), (121, 21867), (197, 13431), (363, 7289), (407, 6501), (591, 4477), (1221, 2167)]