72979551

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{6011}}^1$

素因数の和:6107

約数の個数: 24

約数和(自身を含む): 112544640

約数和(自身を除く): 39565089

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 4047, 6011, 12141, 18033, 54099, 114209, 342627, 426781, 1027881, 1280343, 3841029, 8108839, 24326517, 72979551]

約数ペア:

[(1, 72979551), (3, 24326517), (9, 8108839), (19, 3841029), (57, 1280343), (71, 1027881), (171, 426781), (213, 342627), (639, 114209), (1349, 54099), (4047, 18033), (6011, 12141)]