51108993

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 85001280

約数和(自身を除く): 33892287

約数列:

[1, 3, 9, 13, 19, 39, 57, 83, 117, 171, 247, 249, 277, 741, 747, 831, 1079, 1577, 2223, 2493, 3237, 3601, 4731, 5263, 9711, 10803, 14193, 15789, 20501, 22991, 32409, 47367, 61503, 68419, 68973, 184509, 205257, 206919, 298883, 436829, 615771, 896649, 1310487, 2689947, 3931461, 5678777, 17036331, 51108993]

約数ペア:

[(1, 51108993), (3, 17036331), (9, 5678777), (13, 3931461), (19, 2689947), (39, 1310487), (57, 896649), (83, 615771), (117, 436829), (171, 298883), (247, 206919), (249, 205257), (277, 184509), (741, 68973), (747, 68419), (831, 61503), (1079, 47367), (1577, 32409), (2223, 22991), (2493, 20501), (3237, 15789), (3601, 14193), (4731, 10803), (5263, 9711)]