28656855

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2687}}^1$

素因数の和:2780

約数の個数: 32

約数和(自身を含む): 51609600

約数和(自身を除く): 22952745

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 135, 237, 395, 711, 1185, 2133, 2687, 3555, 8061, 10665, 13435, 24183, 40305, 72549, 120915, 212273, 362745, 636819, 1061365, 1910457, 3184095, 5731371, 9552285, 28656855]

約数ペア:

[(1, 28656855), (3, 9552285), (5, 5731371), (9, 3184095), (15, 1910457), (27, 1061365), (45, 636819), (79, 362745), (135, 212273), (237, 120915), (395, 72549), (711, 40305), (1185, 24183), (2133, 13435), (2687, 10665), (3555, 8061)]