2017190721

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1021}}^1\times {\mathrm{7237}}^1$

素因数の和:8281

約数の個数: 32

約数和(自身を含む): 3313961728

約数和(自身を除く): 1296771007

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1021, 3063, 7147, 7237, 13273, 21441, 21711, 39819, 50659, 92911, 94081, 151977, 278733, 282243, 658567, 1975701, 7388977, 22166931, 51722839, 96056701, 155168517, 288170103, 672396907, 2017190721]

約数ペア:

[(1, 2017190721), (3, 672396907), (7, 288170103), (13, 155168517), (21, 96056701), (39, 51722839), (91, 22166931), (273, 7388977), (1021, 1975701), (3063, 658567), (7147, 282243), (7237, 278733), (13273, 151977), (21441, 94081), (21711, 92911), (39819, 50659)]