28363257

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4253}}^1$

素因数の和:4294

約数の個数: 32

約数和(自身を含む): 47644800

約数和(自身を除く): 19281543

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 4253, 6669, 12759, 38277, 55289, 80807, 114831, 165867, 242421, 497601, 727263, 1050491, 1492803, 2181789, 3151473, 9454419, 28363257]

約数ペア:

[(1, 28363257), (3, 9454419), (9, 3151473), (13, 2181789), (19, 1492803), (27, 1050491), (39, 727263), (57, 497601), (117, 242421), (171, 165867), (247, 114831), (351, 80807), (513, 55289), (741, 38277), (2223, 12759), (4253, 6669)]