129780477315

素因数分解:

$3^4\times 5^1\times {\mathrm{320445623}}^1$

素因数の和:320445640

約数の個数: 20

約数和(自身を含む): 232643523024

約数和(自身を除く): 102863045709

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 320445623, 961336869, 1602228115, 2884010607, 4806684345, 8652031821, 14420053035, 25956095463, 43260159105, 129780477315]

約数ペア:

[(1, 129780477315), (3, 43260159105), (5, 25956095463), (9, 14420053035), (15, 8652031821), (27, 4806684345), (45, 2884010607), (81, 1602228115), (135, 961336869), (405, 320445623)]