865852821

素因数分解:

$3^4\times {\mathrm{743}}^1\times {\mathrm{14387}}^1$

素因数の和:15142

約数の個数: 20

約数和(自身を含む): 1295265312

約数和(自身を除く): 429412491

約数列:

[1, 3, 9, 27, 81, 743, 2229, 6687, 14387, 20061, 43161, 60183, 129483, 388449, 1165347, 10689541, 32068623, 96205869, 288617607, 865852821]

約数ペア:

[(1, 865852821), (3, 288617607), (9, 96205869), (27, 32068623), (81, 10689541), (743, 1165347), (2229, 388449), (6687, 129483), (14387, 60183), (20061, 43161)]