209280969

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{250037}}^1$

素因数の和:250077

約数の個数: 16

約数和(自身を含む): 320048640

約数和(自身を除く): 110767671

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 250037, 750111, 2250333, 6750999, 7751147, 23253441, 69760323, 209280969]

約数ペア:

[(1, 209280969), (3, 69760323), (9, 23253441), (27, 7751147), (31, 6750999), (93, 2250333), (279, 750111), (837, 250037)]