18156501

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{541}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 29658240

約数和(自身を除く): 11501739

約数列:

[1, 3, 9, 11, 27, 33, 99, 113, 297, 339, 541, 1017, 1243, 1623, 3051, 3729, 4869, 5951, 11187, 14607, 17853, 33561, 53559, 61133, 160677, 183399, 550197, 672463, 1650591, 2017389, 6052167, 18156501]

約数ペア:

[(1, 18156501), (3, 6052167), (9, 2017389), (11, 1650591), (27, 672463), (33, 550197), (99, 183399), (113, 160677), (297, 61133), (339, 53559), (541, 33561), (1017, 17853), (1243, 14607), (1623, 11187), (3051, 5951), (3729, 4869)]