28975089

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 50077440

約数和(自身を除く): 21102351

約数列:

[1, 3, 11, 13, 17, 29, 33, 39, 51, 87, 137, 143, 187, 221, 319, 377, 411, 429, 493, 561, 663, 957, 1131, 1479, 1507, 1781, 2329, 2431, 3973, 4147, 4521, 5343, 5423, 6409, 6987, 7293, 11919, 12441, 16269, 19227, 19591, 25619, 30277, 43703, 51649, 58773, 67541, 70499, 76857, 90831, 131109, 154947, 202623, 211497, 333047, 568139, 742951, 878033, 999141, 1704417, 2228853, 2634099, 9658363, 28975089]

約数ペア:

[(1, 28975089), (3, 9658363), (11, 2634099), (13, 2228853), (17, 1704417), (29, 999141), (33, 878033), (39, 742951), (51, 568139), (87, 333047), (137, 211497), (143, 202623), (187, 154947), (221, 131109), (319, 90831), (377, 76857), (411, 70499), (429, 67541), (493, 58773), (561, 51649), (663, 43703), (957, 30277), (1131, 25619), (1479, 19591), (1507, 19227), (1781, 16269), (2329, 12441), (2431, 11919), (3973, 7293), (4147, 6987), (4521, 6409), (5343, 5423)]