9786985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{521}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 13461336

約数和(自身を除く): 3674351

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 521, 1105, 1445, 2605, 3757, 6773, 8857, 18785, 33865, 44285, 115141, 150569, 575705, 752845, 1957397, 9786985]

約数ペア:

[(1, 9786985), (5, 1957397), (13, 752845), (17, 575705), (65, 150569), (85, 115141), (221, 44285), (289, 33865), (521, 18785), (1105, 8857), (1445, 6773), (2605, 3757)]