27781245

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2819}}^1$

素因数の和:2906

約数の個数: 32

約数和(自身を含む): 50083200

約数和(自身を除く): 22301955

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 365, 657, 1095, 1971, 2819, 3285, 8457, 9855, 14095, 25371, 42285, 76113, 126855, 205787, 380565, 617361, 1028935, 1852083, 3086805, 5556249, 9260415, 27781245]

約数ペア:

[(1, 27781245), (3, 9260415), (5, 5556249), (9, 3086805), (15, 1852083), (27, 1028935), (45, 617361), (73, 380565), (135, 205787), (219, 126855), (365, 76113), (657, 42285), (1095, 25371), (1971, 14095), (2819, 9855), (3285, 8457)]