1567243971

素因数分解:

$3^4\times {\mathrm{691}}^1\times {\mathrm{28001}}^1$

素因数の和:28704

約数の個数: 20

約数和(自身を含む): 2344663464

約数和(自身を除く): 777419493

約数列:

[1, 3, 9, 27, 81, 691, 2073, 6219, 18657, 28001, 55971, 84003, 252009, 756027, 2268081, 19348691, 58046073, 174138219, 522414657, 1567243971]

約数ペア:

[(1, 1567243971), (3, 522414657), (9, 174138219), (27, 58046073), (81, 19348691), (691, 2268081), (2073, 756027), (6219, 252009), (18657, 84003), (28001, 55971)]