9921987

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{4129}}^1$

素因数の和:4227

約数の個数: 16

約数和(自身を含む): 14868000

約数和(自身を除く): 4946013

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 4129, 12387, 37161, 111483, 367481, 1102443, 3307329, 9921987]

約数ペア:

[(1, 9921987), (3, 3307329), (9, 1102443), (27, 367481), (89, 111483), (267, 37161), (801, 12387), (2403, 4129)]