280802835

素因数分解:

$3^3\times 5^1\times {\mathrm{2080021}}^1$

素因数の和:2080035

約数の個数: 16

約数和(自身を含む): 499205280

約数和(自身を除く): 218402445

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 2080021, 6240063, 10400105, 18720189, 31200315, 56160567, 93600945, 280802835]

約数ペア:

[(1, 280802835), (3, 93600945), (5, 56160567), (9, 31200315), (15, 18720189), (27, 10400105), (45, 6240063), (135, 2080021)]