13340385

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 24380928

約数和(自身を除く): 11040543

約数列:

[1, 3, 5, 9, 15, 31, 45, 73, 93, 131, 155, 219, 279, 365, 393, 465, 655, 657, 1095, 1179, 1395, 1965, 2263, 3285, 4061, 5895, 6789, 9563, 11315, 12183, 20305, 20367, 28689, 33945, 36549, 47815, 60915, 86067, 101835, 143445, 182745, 296453, 430335, 889359, 1482265, 2668077, 4446795, 13340385]

約数ペア:

[(1, 13340385), (3, 4446795), (5, 2668077), (9, 1482265), (15, 889359), (31, 430335), (45, 296453), (73, 182745), (93, 143445), (131, 101835), (155, 86067), (219, 60915), (279, 47815), (365, 36549), (393, 33945), (465, 28689), (655, 20367), (657, 20305), (1095, 12183), (1179, 11315), (1395, 9563), (1965, 6789), (2263, 5895), (3285, 4061)]