81189495

素因数分解:

$3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{7549}}^1$

素因数の和:7799

約数の個数: 24

約数和(自身を含む): 141336000

約数和(自身を除く): 60146505

約数列:

[1, 3, 5, 9, 15, 45, 239, 717, 1195, 2151, 3585, 7549, 10755, 22647, 37745, 67941, 113235, 339705, 1804211, 5412633, 9021055, 16237899, 27063165, 81189495]

約数ペア:

[(1, 81189495), (3, 27063165), (5, 16237899), (9, 9021055), (15, 5412633), (45, 1804211), (239, 339705), (717, 113235), (1195, 67941), (2151, 37745), (3585, 22647), (7549, 10755)]