66905237

素因数分解:

$7^3\times {\mathrm{131}}^1\times {\mathrm{1489}}^1$

素因数の和:1641

約数の個数: 16

約数和(自身を含む): 78672000

約数和(自身を除く): 11766763

約数列:

[1, 7, 49, 131, 343, 917, 1489, 6419, 10423, 44933, 72961, 195059, 510727, 1365413, 9557891, 66905237]

約数ペア:

[(1, 66905237), (7, 9557891), (49, 1365413), (131, 510727), (343, 195059), (917, 72961), (1489, 44933), (6419, 10423)]