17983287

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2179}}^1$

素因数の和:2323

約数の個数: 24

約数和(自身を含む): 29927040

約数和(自身を除く): 11943753

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2179, 2751, 6537, 8253, 15253, 19611, 45759, 137277, 285449, 856347, 1998143, 2569041, 5994429, 17983287]

約数ペア:

[(1, 17983287), (3, 5994429), (7, 2569041), (9, 1998143), (21, 856347), (63, 285449), (131, 137277), (393, 45759), (917, 19611), (1179, 15253), (2179, 8253), (2751, 6537)]