639730569

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{23021}}^1$

素因数の和:23240

約数の個数: 16

約数和(自身を含む): 872994240

約数和(自身を除く): 233263671

約数列:

[1, 3, 59, 157, 177, 471, 9263, 23021, 27789, 69063, 1358239, 3614297, 4074717, 10842891, 213243523, 639730569]

約数ペア:

[(1, 639730569), (3, 213243523), (59, 10842891), (157, 4074717), (177, 3614297), (471, 1358239), (9263, 69063), (23021, 27789)]