861369987

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{1759}}^1$

素因数の和:1983

約数の個数: 32

約数和(自身を含む): 1232732160

約数和(自身を除く): 371362173

約数列:

[1, 3, 23, 47, 69, 141, 151, 453, 1081, 1759, 3243, 3473, 5277, 7097, 10419, 21291, 40457, 82673, 121371, 163231, 248019, 265609, 489693, 796827, 1901479, 5704437, 6109007, 12483623, 18327021, 37450869, 287123329, 861369987]

約数ペア:

[(1, 861369987), (3, 287123329), (23, 37450869), (47, 18327021), (69, 12483623), (141, 6109007), (151, 5704437), (453, 1901479), (1081, 796827), (1759, 489693), (3243, 265609), (3473, 248019), (5277, 163231), (7097, 121371), (10419, 82673), (21291, 40457)]