31382715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 62770176

約数和(自身を除く): 31387461

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 83, 91, 105, 195, 249, 273, 277, 415, 455, 581, 831, 1079, 1245, 1365, 1385, 1743, 1939, 2905, 3237, 3601, 4155, 5395, 5817, 7553, 8715, 9695, 10803, 16185, 18005, 22659, 22991, 25207, 29085, 37765, 54015, 68973, 75621, 113295, 114955, 126035, 160937, 298883, 344865, 378105, 482811, 804685, 896649, 1494415, 2092181, 2414055, 4483245, 6276543, 10460905, 31382715]

約数ペア:

[(1, 31382715), (3, 10460905), (5, 6276543), (7, 4483245), (13, 2414055), (15, 2092181), (21, 1494415), (35, 896649), (39, 804685), (65, 482811), (83, 378105), (91, 344865), (105, 298883), (195, 160937), (249, 126035), (273, 114955), (277, 113295), (415, 75621), (455, 68973), (581, 54015), (831, 37765), (1079, 29085), (1245, 25207), (1365, 22991), (1385, 22659), (1743, 18005), (1939, 16185), (2905, 10803), (3237, 9695), (3601, 8715), (4155, 7553), (5395, 5817)]