28203201

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4229}}^1$

素因数の和:4270

約数の個数: 32

約数和(自身を含む): 47376000

約数和(自身を除く): 19172799

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 4229, 6669, 12687, 38061, 54977, 80351, 114183, 164931, 241053, 494793, 723159, 1044563, 1484379, 2169477, 3133689, 9401067, 28203201]

約数ペア:

[(1, 28203201), (3, 9401067), (9, 3133689), (13, 2169477), (19, 1484379), (27, 1044563), (39, 723159), (57, 494793), (117, 241053), (171, 164931), (247, 114183), (351, 80351), (513, 54977), (741, 38061), (2223, 12687), (4229, 6669)]