858974859

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{180419}}^1$

素因数の和:180471

約数の個数: 18

約数和(自身を含む): 1297039380

約数和(自身を除く): 438064521

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4761, 180419, 541257, 1623771, 4149637, 12448911, 37346733, 95441651, 286324953, 858974859]

約数ペア:

[(1, 858974859), (3, 286324953), (9, 95441651), (23, 37346733), (69, 12448911), (207, 4149637), (529, 1623771), (1587, 541257), (4761, 180419)]