28282527

素因数分解:

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

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 52183040

約数和(自身を除く): 23900513

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 351, 567, 819, 1053, 1279, 1701, 2457, 3159, 3837, 7371, 8953, 11511, 16627, 22113, 26859, 34533, 49881, 80577, 103599, 116389, 149643, 241731, 310797, 349167, 448929, 725193, 1047501, 1346787, 2175579, 3142503, 4040361, 9427509, 28282527]

約数ペア:

[(1, 28282527), (3, 9427509), (7, 4040361), (9, 3142503), (13, 2175579), (21, 1346787), (27, 1047501), (39, 725193), (63, 448929), (81, 349167), (91, 310797), (117, 241731), (189, 149643), (243, 116389), (273, 103599), (351, 80577), (567, 49881), (819, 34533), (1053, 26859), (1279, 22113), (1701, 16627), (2457, 11511), (3159, 8953), (3837, 7371)]