78390495

素因数分解:

$3^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{2521}}^1$

素因数の和:3223

約数の個数: 24

約数和(自身を含む): 136127472

約数和(自身を除く): 57736977

約数列:

[1, 3, 5, 9, 15, 45, 691, 2073, 2521, 3455, 6219, 7563, 10365, 12605, 22689, 31095, 37815, 113445, 1742011, 5226033, 8710055, 15678099, 26130165, 78390495]

約数ペア:

[(1, 78390495), (3, 26130165), (5, 15678099), (9, 8710055), (15, 5226033), (45, 1742011), (691, 113445), (2073, 37815), (2521, 31095), (3455, 22689), (6219, 12605), (7563, 10365)]