28665

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^1$

素因数の和:38

約数の個数: 36

約数和(自身を含む): 62244

約数和(自身を除く): 33579

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 49, 63, 65, 91, 105, 117, 147, 195, 245, 273, 315, 441, 455, 585, 637, 735, 819, 1365, 1911, 2205, 3185, 4095, 5733, 9555, 28665]

約数ペア:

[(1, 28665), (3, 9555), (5, 5733), (7, 4095), (9, 3185), (13, 2205), (15, 1911), (21, 1365), (35, 819), (39, 735), (45, 637), (49, 585), (63, 455), (65, 441), (91, 315), (105, 273), (117, 245), (147, 195)]