123023159

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^2$

素因数の和:375

約数の個数: 24

約数和(自身を含む): 152414208

約数和(自身を除く): 29391049

約数列:

[1, 7, 23, 31, 157, 161, 217, 713, 1099, 3611, 4867, 4991, 24649, 25277, 34069, 111941, 172543, 566927, 764119, 783587, 3968489, 5348833, 17574737, 123023159]

約数ペア:

[(1, 123023159), (7, 17574737), (23, 5348833), (31, 3968489), (157, 783587), (161, 764119), (217, 566927), (713, 172543), (1099, 111941), (3611, 34069), (4867, 25277), (4991, 24649)]