153542457

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{1721}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 232098048

約数和(自身を除く): 78555591

約数列:

[1, 3, 9, 23, 69, 207, 431, 1293, 1721, 3879, 5163, 9913, 15489, 29739, 39583, 89217, 118749, 356247, 741751, 2225253, 6675759, 17060273, 51180819, 153542457]

約数ペア:

[(1, 153542457), (3, 51180819), (9, 17060273), (23, 6675759), (69, 2225253), (207, 741751), (431, 356247), (1293, 118749), (1721, 89217), (3879, 39583), (5163, 29739), (9913, 15489)]