8040405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31531}}^1$

素因数の和:31556

約数の個数: 16

約数和(自身を含む): 13621824

約数和(自身を除く): 5581419

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 31531, 94593, 157655, 472965, 536027, 1608081, 2680135, 8040405]

約数ペア:

[(1, 8040405), (3, 2680135), (5, 1608081), (15, 536027), (17, 472965), (51, 157655), (85, 94593), (255, 31531)]