390557331

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{7297}}^1$

素因数の和:7635

約数の個数: 24

約数和(自身を含む): 595808720

約数和(自身を除く): 205251389

約数列:

[1, 3, 9, 19, 57, 171, 313, 939, 2817, 5947, 7297, 17841, 21891, 53523, 65673, 138643, 415929, 1247787, 2283961, 6851883, 20555649, 43395259, 130185777, 390557331]

約数ペア:

[(1, 390557331), (3, 130185777), (9, 43395259), (19, 20555649), (57, 6851883), (171, 2283961), (313, 1247787), (939, 415929), (2817, 138643), (5947, 65673), (7297, 53523), (17841, 21891)]