173291209

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1307}}^1$

素因数の和:1405

約数の個数: 32

約数和(自身を含む): 225017856

約数和(自身を除く): 51726647

約数列:

[1, 7, 13, 31, 47, 91, 217, 329, 403, 611, 1307, 1457, 2821, 4277, 9149, 10199, 16991, 18941, 40517, 61429, 118937, 132587, 283619, 430003, 526721, 798577, 1904299, 3687047, 5590039, 13330093, 24755887, 173291209]

約数ペア:

[(1, 173291209), (7, 24755887), (13, 13330093), (31, 5590039), (47, 3687047), (91, 1904299), (217, 798577), (329, 526721), (403, 430003), (611, 283619), (1307, 132587), (1457, 118937), (2821, 61429), (4277, 40517), (9149, 18941), (10199, 16991)]