31620069

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{20789}}^1$

素因数の和:20821

約数の個数: 18

約数和(自身を含む): 49459410

約数和(自身を除く): 17839341

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 20789, 62367, 187101, 270257, 810771, 2432313, 3513341, 10540023, 31620069]

約数ペア:

[(1, 31620069), (3, 10540023), (9, 3513341), (13, 2432313), (39, 810771), (117, 270257), (169, 187101), (507, 62367), (1521, 20789)]