218996829

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{3779}}^1$

素因数の和:3969

約数の個数: 24

約数和(自身を含む): 325503360

約数和(自身を除く): 106506531

約数列:

[1, 3, 9, 47, 137, 141, 411, 423, 1233, 3779, 6439, 11337, 19317, 34011, 57951, 177613, 517723, 532839, 1553169, 1598517, 4659507, 24332981, 72998943, 218996829]

約数ペア:

[(1, 218996829), (3, 72998943), (9, 24332981), (47, 4659507), (137, 1598517), (141, 1553169), (411, 532839), (423, 517723), (1233, 177613), (3779, 57951), (6439, 34011), (11337, 19317)]