31493091

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10789}}^1$

素因数の和:10938

約数の個数: 16

約数和(自身を含む): 48339200

約数和(自身を除く): 16846109

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 10789, 32367, 75523, 226569, 1499671, 4499013, 10497697, 31493091]

約数ペア:

[(1, 31493091), (3, 10497697), (7, 4499013), (21, 1499671), (139, 226569), (417, 75523), (973, 32367), (2919, 10789)]