661932945

素因数分解:

$3^3\times 5^1\times {\mathrm{4903207}}^1$

素因数の和:4903221

約数の個数: 16

約数和(自身を含む): 1176769920

約数和(自身を除く): 514836975

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 4903207, 14709621, 24516035, 44128863, 73548105, 132386589, 220644315, 661932945]

約数ペア:

[(1, 661932945), (3, 220644315), (5, 132386589), (9, 73548105), (15, 44128863), (27, 24516035), (45, 14709621), (135, 4903207)]