253454019

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{18947}}^1$

素因数の和:18984

約数の個数: 32

約数和(自身を含む): 424435200

約数和(自身を除く): 170981181

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1911, 4459, 13377, 18947, 56841, 132629, 246311, 397887, 738933, 928403, 1724177, 2785209, 5172531, 6498821, 12069239, 19496463, 36207717, 84484673, 253454019]

約数ペア:

[(1, 253454019), (3, 84484673), (7, 36207717), (13, 19496463), (21, 12069239), (39, 6498821), (49, 5172531), (91, 2785209), (147, 1724177), (273, 928403), (343, 738933), (637, 397887), (1029, 246311), (1911, 132629), (4459, 56841), (13377, 18947)]