156780261981

素因数分解:

$3^2\times 7^1\times {\mathrm{10487}}^1\times {\mathrm{237301}}^1$

素因数の和:247801

約数の個数: 24

約数和(自身を含む): 258837631104

約数和(自身を除く): 102057369123

約数列:

[1, 3, 7, 9, 21, 63, 10487, 31461, 73409, 94383, 220227, 237301, 660681, 711903, 1661107, 2135709, 4983321, 14949963, 2488575587, 7465726761, 17420029109, 22397180283, 52260087327, 156780261981]

約数ペア:

[(1, 156780261981), (3, 52260087327), (7, 22397180283), (9, 17420029109), (21, 7465726761), (63, 2488575587), (10487, 14949963), (31461, 4983321), (73409, 2135709), (94383, 1661107), (220227, 711903), (237301, 660681)]