256710915

素因数分解:

$3^2\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{2677}}^1$

素因数の和:4819

約数の個数: 24

約数和(自身を含む): 445340688

約数和(自身を除く): 188629773

約数列:

[1, 3, 5, 9, 15, 45, 2131, 2677, 6393, 8031, 10655, 13385, 19179, 24093, 31965, 40155, 95895, 120465, 5704687, 17114061, 28523435, 51342183, 85570305, 256710915]

約数ペア:

[(1, 256710915), (3, 85570305), (5, 51342183), (9, 28523435), (15, 17114061), (45, 5704687), (2131, 120465), (2677, 95895), (6393, 40155), (8031, 31965), (10655, 24093), (13385, 19179)]