987331329

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{689959}}^1$

素因数の和:690021

約数の個数: 16

約数和(自身を含む): 1490313600

約数和(自身を除く): 502982271

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 689959, 2069877, 6209631, 18628893, 36567827, 109703481, 329110443, 987331329]

約数ペア:

[(1, 987331329), (3, 329110443), (9, 109703481), (27, 36567827), (53, 18628893), (159, 6209631), (477, 2069877), (1431, 689959)]