51080757

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 86785920

約数和(自身を除く): 35705163

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 169, 259, 273, 389, 481, 507, 777, 1167, 1183, 1443, 2723, 3367, 3549, 5057, 6253, 8169, 10101, 14393, 15171, 18759, 35399, 43179, 43771, 65741, 100751, 106197, 131313, 187109, 197223, 302253, 460187, 561327, 1309763, 1380561, 2432417, 3929289, 7297251, 17026919, 51080757]

約数ペア:

[(1, 51080757), (3, 17026919), (7, 7297251), (13, 3929289), (21, 2432417), (37, 1380561), (39, 1309763), (91, 561327), (111, 460187), (169, 302253), (259, 197223), (273, 187109), (389, 131313), (481, 106197), (507, 100751), (777, 65741), (1167, 43771), (1183, 43179), (1443, 35399), (2723, 18759), (3367, 15171), (3549, 14393), (5057, 10101), (6253, 8169)]