218217897

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{21139}}^1$

素因数の和:21213

約数の個数: 24

約数和(自身を含む): 334181120

約数和(自身を除く): 115963223

約数列:

[1, 3, 9, 31, 37, 93, 111, 279, 333, 1147, 3441, 10323, 21139, 63417, 190251, 655309, 782143, 1965927, 2346429, 5897781, 7039287, 24246433, 72739299, 218217897]

約数ペア:

[(1, 218217897), (3, 72739299), (9, 24246433), (31, 7039287), (37, 5897781), (93, 2346429), (111, 1965927), (279, 782143), (333, 655309), (1147, 190251), (3441, 63417), (10323, 21139)]