31521879

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{3637}}^1$

素因数の和:3756

約数の個数: 20

約数和(自身を含む): 47541384

約数和(自身を除く): 16019505

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 3637, 8667, 10911, 32733, 98199, 294597, 389159, 1167477, 3502431, 10507293, 31521879]

約数ペア:

[(1, 31521879), (3, 10507293), (9, 3502431), (27, 1167477), (81, 389159), (107, 294597), (321, 98199), (963, 32733), (2889, 10911), (3637, 8667)]