199430907

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{997}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 300453888

約数和(自身を除く): 101022981

約数列:

[1, 3, 13, 23, 39, 69, 223, 299, 669, 897, 997, 2899, 2991, 5129, 8697, 12961, 15387, 22931, 38883, 66677, 68793, 200031, 222331, 298103, 666993, 894309, 2890303, 5113613, 8670909, 15340839, 66476969, 199430907]

約数ペア:

[(1, 199430907), (3, 66476969), (13, 15340839), (23, 8670909), (39, 5113613), (69, 2890303), (223, 894309), (299, 666993), (669, 298103), (897, 222331), (997, 200031), (2899, 68793), (2991, 66677), (5129, 38883), (8697, 22931), (12961, 15387)]