81979353

素因数分解:

$3^2\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{541}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 120486600

約数和(自身を除く): 38507247

約数列:

[1, 3, 9, 113, 149, 339, 447, 541, 1017, 1341, 1623, 4869, 16837, 50511, 61133, 80609, 151533, 183399, 241827, 550197, 725481, 9108817, 27326451, 81979353]

約数ペア:

[(1, 81979353), (3, 27326451), (9, 9108817), (113, 725481), (149, 550197), (339, 241827), (447, 183399), (541, 151533), (1017, 80609), (1341, 61133), (1623, 50511), (4869, 16837)]