199956939

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{797}}^1\times {\mathrm{919}}^1$

素因数の和:1739

約数の個数: 32

約数和(自身を含む): 328903680

約数和(自身を除く): 128946741

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 797, 919, 2391, 2757, 5579, 6433, 10361, 11947, 16737, 19299, 31083, 35841, 72527, 83629, 217581, 250887, 732443, 2197329, 5127101, 9521759, 15381303, 28565277, 66652313, 199956939]

約数ペア:

[(1, 199956939), (3, 66652313), (7, 28565277), (13, 15381303), (21, 9521759), (39, 5127101), (91, 2197329), (273, 732443), (797, 250887), (919, 217581), (2391, 83629), (2757, 72527), (5579, 35841), (6433, 31083), (10361, 19299), (11947, 16737)]