28884765

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3023}}^1$

素因数の和:3058

約数の個数: 48

約数和(自身を含む): 57915648

約数和(自身を除く): 29030883

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1365, 1911, 3023, 3185, 9069, 9555, 15115, 21161, 39299, 45345, 63483, 105805, 117897, 148127, 196495, 275093, 317415, 444381, 589485, 740635, 825279, 1375465, 1925651, 2221905, 4126395, 5776953, 9628255, 28884765]

約数ペア:

[(1, 28884765), (3, 9628255), (5, 5776953), (7, 4126395), (13, 2221905), (15, 1925651), (21, 1375465), (35, 825279), (39, 740635), (49, 589485), (65, 444381), (91, 317415), (105, 275093), (147, 196495), (195, 148127), (245, 117897), (273, 105805), (455, 63483), (637, 45345), (735, 39299), (1365, 21161), (1911, 15115), (3023, 9555), (3185, 9069)]