31215899

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9491}}^1$

素因数の和:9538

約数の個数: 16

約数和(自身を含む): 38271744

約数和(自身を除く): 7055845

約数列:

[1, 11, 13, 23, 143, 253, 299, 3289, 9491, 104401, 123383, 218293, 1357213, 2401223, 2837809, 31215899]

約数ペア:

[(1, 31215899), (11, 2837809), (13, 2401223), (23, 1357213), (143, 218293), (253, 123383), (299, 104401), (3289, 9491)]