16890729

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{2591}}^1$

素因数の和:2688

約数の個数: 16

約数和(自身を含む): 23514624

約数和(自身を除く): 6623895

約数列:

[1, 3, 41, 53, 123, 159, 2173, 2591, 6519, 7773, 106231, 137323, 318693, 411969, 5630243, 16890729]

約数ペア:

[(1, 16890729), (3, 5630243), (41, 411969), (53, 318693), (123, 137323), (159, 106231), (2173, 7773), (2591, 6519)]