812835

素因数分解:

$3^6\times 5^1\times {\mathrm{223}}^1$

素因数の和:246

約数の個数: 28

約数和(自身を含む): 1468992

約数和(自身を除く): 656157

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 223, 243, 405, 669, 729, 1115, 1215, 2007, 3345, 3645, 6021, 10035, 18063, 30105, 54189, 90315, 162567, 270945, 812835]

約数ペア:

[(1, 812835), (3, 270945), (5, 162567), (9, 90315), (15, 54189), (27, 30105), (45, 18063), (81, 10035), (135, 6021), (223, 3645), (243, 3345), (405, 2007), (669, 1215), (729, 1115)]