161845245

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{87721}}^1$

素因数の和:87773

約数の個数: 24

約数和(自身を含む): 287377272

約数和(自身を除く): 125532027

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 87721, 263163, 438605, 789489, 1315815, 3596561, 3947445, 10789683, 17982805, 32369049, 53948415, 161845245]

約数ペア:

[(1, 161845245), (3, 53948415), (5, 32369049), (9, 17982805), (15, 10789683), (41, 3947445), (45, 3596561), (123, 1315815), (205, 789489), (369, 438605), (615, 263163), (1845, 87721)]