2947281

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 4053888

約数和(自身を除く): 1106607

約数列:

[1, 3, 71, 101, 137, 213, 303, 411, 7171, 9727, 13837, 21513, 29181, 41511, 982427, 2947281]

約数ペア:

[(1, 2947281), (3, 982427), (71, 41511), (101, 29181), (137, 21513), (213, 13837), (303, 9727), (411, 7171)]