31787399

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 40671360

約数和(自身を除く): 8883961

約数列:

[1, 7, 17, 19, 119, 133, 289, 323, 827, 2023, 2261, 5491, 5789, 14059, 15713, 38437, 98413, 109991, 239003, 267121, 1673021, 1869847, 4541057, 31787399]

約数ペア:

[(1, 31787399), (7, 4541057), (17, 1869847), (19, 1673021), (119, 267121), (133, 239003), (289, 109991), (323, 98413), (827, 38437), (2023, 15713), (2261, 14059), (5491, 5789)]