823905

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 1555200

約数和(自身を除く): 731295

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 359, 459, 765, 1077, 1795, 2295, 3231, 5385, 6103, 9693, 16155, 18309, 30515, 48465, 54927, 91545, 164781, 274635, 823905]

約数ペア:

[(1, 823905), (3, 274635), (5, 164781), (9, 91545), (15, 54927), (17, 48465), (27, 30515), (45, 18309), (51, 16155), (85, 9693), (135, 6103), (153, 5385), (255, 3231), (359, 2295), (459, 1795), (765, 1077)]