168977373

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 238804992

約数和(自身を除く): 69827619

約数列:

[1, 3, 31, 71, 93, 157, 163, 213, 471, 489, 2201, 4867, 5053, 6603, 11147, 11573, 14601, 15159, 25591, 33441, 34719, 76773, 345557, 358763, 793321, 1036671, 1076289, 1816961, 2379963, 5450883, 56325791, 168977373]

約数ペア:

[(1, 168977373), (3, 56325791), (31, 5450883), (71, 2379963), (93, 1816961), (157, 1076289), (163, 1036671), (213, 793321), (471, 358763), (489, 345557), (2201, 76773), (4867, 34719), (5053, 33441), (6603, 25591), (11147, 15159), (11573, 14601)]