128804907

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{17987}}^1$

素因数の和:18039

約数の個数: 32

約数和(自身を含む): 221036544

約数和(自身を除く): 92231637

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 7161, 17987, 53961, 125909, 197857, 377727, 557597, 593571, 1384999, 1672791, 3903179, 4154997, 6133567, 11709537, 18400701, 42934969, 128804907]

約数ペア:

[(1, 128804907), (3, 42934969), (7, 18400701), (11, 11709537), (21, 6133567), (31, 4154997), (33, 3903179), (77, 1672791), (93, 1384999), (217, 593571), (231, 557597), (341, 377727), (651, 197857), (1023, 125909), (2387, 53961), (7161, 17987)]