7947855

素因数分解:

$3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{521}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 14281920

約数和(自身を除く): 6334065

約数列:

[1, 3, 5, 9, 15, 27, 45, 113, 135, 339, 521, 565, 1017, 1563, 1695, 2605, 3051, 4689, 5085, 7815, 14067, 15255, 23445, 58873, 70335, 176619, 294365, 529857, 883095, 1589571, 2649285, 7947855]

約数ペア:

[(1, 7947855), (3, 2649285), (5, 1589571), (9, 883095), (15, 529857), (27, 294365), (45, 176619), (113, 70335), (135, 58873), (339, 23445), (521, 15255), (565, 14067), (1017, 7815), (1563, 5085), (1695, 4689), (2605, 3051)]