12220845

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 24514560

約数和(自身を除く): 12293715

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1279, 1365, 1911, 3185, 3837, 6395, 8953, 9555, 16627, 19185, 26859, 44765, 49881, 62671, 83135, 116389, 134295, 188013, 249405, 313355, 349167, 581945, 814723, 940065, 1745835, 2444169, 4073615, 12220845]

約数ペア:

[(1, 12220845), (3, 4073615), (5, 2444169), (7, 1745835), (13, 940065), (15, 814723), (21, 581945), (35, 349167), (39, 313355), (49, 249405), (65, 188013), (91, 134295), (105, 116389), (147, 83135), (195, 62671), (245, 49881), (273, 44765), (455, 26859), (637, 19185), (735, 16627), (1279, 9555), (1365, 8953), (1911, 6395), (3185, 3837)]