2438505

素因数分解:

$3^7\times 5^1\times {\mathrm{223}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 4408320

約数和(自身を除く): 1969815

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 223, 243, 405, 669, 729, 1115, 1215, 2007, 2187, 3345, 3645, 6021, 10035, 10935, 18063, 30105, 54189, 90315, 162567, 270945, 487701, 812835, 2438505]

約数ペア:

[(1, 2438505), (3, 812835), (5, 487701), (9, 270945), (15, 162567), (27, 90315), (45, 54189), (81, 30105), (135, 18063), (223, 10935), (243, 10035), (405, 6021), (669, 3645), (729, 3345), (1115, 2187), (1215, 2007)]