666990315

素因数分解:

$3^3\times 5^1\times {\mathrm{4940669}}^1$

素因数の和:4940683

約数の個数: 16

約数和(自身を含む): 1185760800

約数和(自身を除く): 518770485

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 4940669, 14822007, 24703345, 44466021, 74110035, 133398063, 222330105, 666990315]

約数ペア:

[(1, 666990315), (3, 222330105), (5, 133398063), (9, 74110035), (15, 44466021), (27, 24703345), (45, 14822007), (135, 4940669)]