31715217

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{2137}}^1$

素因数の和:2257

約数の個数: 24

約数和(自身を含む): 49028616

約数和(自身を除く): 17313399

約数列:

[1, 3, 9, 17, 51, 97, 153, 291, 873, 1649, 2137, 4947, 6411, 14841, 19233, 36329, 108987, 207289, 326961, 621867, 1865601, 3523913, 10571739, 31715217]

約数ペア:

[(1, 31715217), (3, 10571739), (9, 3523913), (17, 1865601), (51, 621867), (97, 326961), (153, 207289), (291, 108987), (873, 36329), (1649, 19233), (2137, 14841), (4947, 6411)]