648063

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 1048320

約数和(自身を除く): 400257

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 191, 261, 377, 573, 1131, 1719, 2483, 3393, 5539, 7449, 16617, 22347, 49851, 72007, 216021, 648063]

約数ペア:

[(1, 648063), (3, 216021), (9, 72007), (13, 49851), (29, 22347), (39, 16617), (87, 7449), (117, 5539), (191, 3393), (261, 2483), (377, 1719), (573, 1131)]