209242881

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{628357}}^1$

素因数の和:628400

約数の個数: 12

約数和(自身を含む): 310408852

約数和(自身を除く): 101165971

約数列:

[1, 3, 9, 37, 111, 333, 628357, 1885071, 5655213, 23249209, 69747627, 209242881]

約数ペア:

[(1, 209242881), (3, 69747627), (9, 23249209), (37, 5655213), (111, 1885071), (333, 628357)]