81911295

素因数分解:

$3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{10169}}^1$

素因数の和:10359

約数の個数: 24

約数和(自身を含む): 142786800

約数和(自身を除く): 60875505

約数列:

[1, 3, 5, 9, 15, 45, 179, 537, 895, 1611, 2685, 8055, 10169, 30507, 50845, 91521, 152535, 457605, 1820251, 5460753, 9101255, 16382259, 27303765, 81911295]

約数ペア:

[(1, 81911295), (3, 27303765), (5, 16382259), (9, 9101255), (15, 5460753), (45, 1820251), (179, 457605), (537, 152535), (895, 91521), (1611, 50845), (2685, 30507), (8055, 10169)]