28246239

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1607}}^1$

素因数の和:1657

約数の個数: 40

約数和(自身を含む): 49809408

約数和(自身を除く): 21563169

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 837, 1607, 1953, 2511, 4821, 5859, 11249, 14463, 17577, 33747, 43389, 49817, 101241, 130167, 149451, 303723, 348719, 448353, 911169, 1046157, 1345059, 3138471, 4035177, 9415413, 28246239]

約数ペア:

[(1, 28246239), (3, 9415413), (7, 4035177), (9, 3138471), (21, 1345059), (27, 1046157), (31, 911169), (63, 448353), (81, 348719), (93, 303723), (189, 149451), (217, 130167), (279, 101241), (567, 49817), (651, 43389), (837, 33747), (1607, 17577), (1953, 14463), (2511, 11249), (4821, 5859)]