78431025

素因数分解:

$3^1\times 5^2\times {\mathrm{881}}^1\times {\mathrm{1187}}^1$

素因数の和:2081

約数の個数: 24

約数和(自身を含む): 129929184

約数和(自身を除く): 51498159

約数列:

[1, 3, 5, 15, 25, 75, 881, 1187, 2643, 3561, 4405, 5935, 13215, 17805, 22025, 29675, 66075, 89025, 1045747, 3137241, 5228735, 15686205, 26143675, 78431025]

約数ペア:

[(1, 78431025), (3, 26143675), (5, 15686205), (15, 5228735), (25, 3137241), (75, 1045747), (881, 89025), (1187, 66075), (2643, 29675), (3561, 22025), (4405, 17805), (5935, 13215)]