51007749

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 32

約数和(自身を含む): 75398400

約数和(自身を除く): 24390651

約数列:

[1, 3, 13, 39, 71, 109, 169, 213, 327, 507, 923, 1417, 2197, 2769, 4251, 6591, 7739, 11999, 18421, 23217, 35997, 55263, 100607, 155987, 239473, 301821, 467961, 718419, 1307891, 3923673, 17002583, 51007749]

約数ペア:

[(1, 51007749), (3, 17002583), (13, 3923673), (39, 1307891), (71, 718419), (109, 467961), (169, 301821), (213, 239473), (327, 155987), (507, 100607), (923, 55263), (1417, 35997), (2197, 23217), (2769, 18421), (4251, 11999), (6591, 7739)]