661573485

素因数分解:

$3^2\times 5^1\times {\mathrm{2719}}^1\times {\mathrm{5407}}^1$

素因数の和:8137

約数の個数: 24

約数和(自身を含む): 1147361280

約数和(自身を除く): 485787795

約数列:

[1, 3, 5, 9, 15, 45, 2719, 5407, 8157, 13595, 16221, 24471, 27035, 40785, 48663, 81105, 122355, 243315, 14701633, 44104899, 73508165, 132314697, 220524495, 661573485]

約数ペア:

[(1, 661573485), (3, 220524495), (5, 132314697), (9, 73508165), (15, 44104899), (45, 14701633), (2719, 243315), (5407, 122355), (8157, 81105), (13595, 48663), (16221, 40785), (24471, 27035)]