161209890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{1791221}}^1$

素因数の和:1791234

約数の個数: 24

約数和(自身を含む): 419145948

約数和(自身を除く): 257936058

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1791221, 3582442, 5373663, 8956105, 10747326, 16120989, 17912210, 26868315, 32241978, 53736630, 80604945, 161209890]

約数ペア:

[(1, 161209890), (2, 80604945), (3, 53736630), (5, 32241978), (6, 26868315), (9, 17912210), (10, 16120989), (15, 10747326), (18, 8956105), (30, 5373663), (45, 3582442), (90, 1791221)]