309867817

素因数分解:

$7^2\times {\mathrm{317}}^1\times {\mathrm{19949}}^1$

素因数の和:20280

約数の個数: 12

約数和(自身を含む): 361613700

約数和(自身を除く): 51745883

約数列:

[1, 7, 49, 317, 2219, 15533, 19949, 139643, 977501, 6323833, 44266831, 309867817]

約数ペア:

[(1, 309867817), (7, 44266831), (49, 6323833), (317, 977501), (2219, 139643), (15533, 19949)]