87719679

素因数分解:

$3^4\times {\mathrm{503}}^1\times {\mathrm{2153}}^1$

素因数の和:2668

約数の個数: 20

約数和(自身を含む): 131359536

約数和(自身を除く): 43639857

約数列:

[1, 3, 9, 27, 81, 503, 1509, 2153, 4527, 6459, 13581, 19377, 40743, 58131, 174393, 1082959, 3248877, 9746631, 29239893, 87719679]

約数ペア:

[(1, 87719679), (3, 29239893), (9, 9746631), (27, 3248877), (81, 1082959), (503, 174393), (1509, 58131), (2153, 40743), (4527, 19377), (6459, 13581)]