12920181

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{3533}}^1$

素因数の和:3612

約数の個数: 16

約数和(自身を含む): 18320256

約数和(自身を除く): 5400075

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3533, 3657, 10599, 81259, 187249, 243777, 561747, 4306727, 12920181]

約数ペア:

[(1, 12920181), (3, 4306727), (23, 561747), (53, 243777), (69, 187249), (159, 81259), (1219, 10599), (3533, 3657)]