28581735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20939}}^1$

素因数の和:20967

約数の個数: 32

約数和(自身を含む): 56286720

約数和(自身を除く): 27704985

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 20939, 62817, 104695, 146573, 272207, 314085, 439719, 732865, 816621, 1361035, 1905449, 2198595, 4083105, 5716347, 9527245, 28581735]

約数ペア:

[(1, 28581735), (3, 9527245), (5, 5716347), (7, 4083105), (13, 2198595), (15, 1905449), (21, 1361035), (35, 816621), (39, 732865), (65, 439719), (91, 314085), (105, 272207), (195, 146573), (273, 104695), (455, 62817), (1365, 20939)]