28204449

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{14759}}^1$

素因数の和:14789

約数の個数: 24

約数和(自身を含む): 47113920

約数和(自身を除く): 18909471

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 14759, 44277, 103313, 191867, 309939, 575601, 723191, 1343069, 2169573, 4029207, 9401483, 28204449]

約数ペア:

[(1, 28204449), (3, 9401483), (7, 4029207), (13, 2169573), (21, 1343069), (39, 723191), (49, 575601), (91, 309939), (147, 191867), (273, 103313), (637, 44277), (1911, 14759)]