12785775

素因数分解:

$3^1\times 5^2\times {\mathrm{227}}^1\times {\mathrm{751}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 21260544

約数和(自身を除く): 8474769

約数列:

[1, 3, 5, 15, 25, 75, 227, 681, 751, 1135, 2253, 3405, 3755, 5675, 11265, 17025, 18775, 56325, 170477, 511431, 852385, 2557155, 4261925, 12785775]

約数ペア:

[(1, 12785775), (3, 4261925), (5, 2557155), (15, 852385), (25, 511431), (75, 170477), (227, 56325), (681, 18775), (751, 17025), (1135, 11265), (2253, 5675), (3405, 3755)]