71081283

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3137}}^1$

素因数の和:3243

約数の個数: 32

約数和(自身を含む): 118089216

約数和(自身を除く): 47007933

約数列:

[1, 3, 7, 13, 21, 39, 83, 91, 249, 273, 581, 1079, 1743, 3137, 3237, 7553, 9411, 21959, 22659, 40781, 65877, 122343, 260371, 285467, 781113, 856401, 1822597, 3384823, 5467791, 10154469, 23693761, 71081283]

約数ペア:

[(1, 71081283), (3, 23693761), (7, 10154469), (13, 5467791), (21, 3384823), (39, 1822597), (83, 856401), (91, 781113), (249, 285467), (273, 260371), (581, 122343), (1079, 65877), (1743, 40781), (3137, 22659), (3237, 21959), (7553, 9411)]