278322993

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{6053}}^1$

素因数の和:6206

約数の個数: 32

約数和(自身を含む): 447511680

約数和(自身を除く): 169188687

約数列:

[1, 3, 9, 13, 27, 39, 117, 131, 351, 393, 1179, 1703, 3537, 5109, 6053, 15327, 18159, 45981, 54477, 78689, 163431, 236067, 708201, 792943, 2124603, 2378829, 7136487, 10308259, 21409461, 30924777, 92774331, 278322993]

約数ペア:

[(1, 278322993), (3, 92774331), (9, 30924777), (13, 21409461), (27, 10308259), (39, 7136487), (117, 2378829), (131, 2124603), (351, 792943), (393, 708201), (1179, 236067), (1703, 163431), (3537, 78689), (5109, 54477), (6053, 45981), (15327, 18159)]