1323855

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 2585856

約数和(自身を除く): 1262001

約数列:

[1, 3, 5, 9, 13, 15, 31, 39, 45, 65, 73, 93, 117, 155, 195, 219, 279, 365, 403, 465, 585, 657, 949, 1095, 1209, 1395, 2015, 2263, 2847, 3285, 3627, 4745, 6045, 6789, 8541, 11315, 14235, 18135, 20367, 29419, 33945, 42705, 88257, 101835, 147095, 264771, 441285, 1323855]

約数ペア:

[(1, 1323855), (3, 441285), (5, 264771), (9, 147095), (13, 101835), (15, 88257), (31, 42705), (39, 33945), (45, 29419), (65, 20367), (73, 18135), (93, 14235), (117, 11315), (155, 8541), (195, 6789), (219, 6045), (279, 4745), (365, 3627), (403, 3285), (465, 2847), (585, 2263), (657, 2015), (949, 1395), (1095, 1209)]