31080819

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{857}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 52056576

約数和(自身を除く): 20975757

約数列:

[1, 3, 7, 11, 21, 33, 77, 157, 231, 471, 857, 1099, 1727, 2571, 3297, 5181, 5999, 9427, 12089, 17997, 28281, 36267, 65989, 134549, 197967, 403647, 941843, 1480039, 2825529, 4440117, 10360273, 31080819]

約数ペア:

[(1, 31080819), (3, 10360273), (7, 4440117), (11, 2825529), (21, 1480039), (33, 941843), (77, 403647), (157, 197967), (231, 134549), (471, 65989), (857, 36267), (1099, 28281), (1727, 17997), (2571, 12089), (3297, 9427), (5181, 5999)]