28870569

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{35251}}^1$

素因数の和:35277

約数の個数: 24

約数和(自身を含む): 51326912

約数和(自身を除く): 22456343

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 35251, 105753, 246757, 317259, 458263, 740271, 1374789, 2220813, 3207841, 4124367, 9623523, 28870569]

約数ペア:

[(1, 28870569), (3, 9623523), (7, 4124367), (9, 3207841), (13, 2220813), (21, 1374789), (39, 740271), (63, 458263), (91, 317259), (117, 246757), (273, 105753), (819, 35251)]