12105891

素因数分解:

$3^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:400

約数の個数: 36

約数和(自身を含む): 20623512

約数和(自身を除く): 8517621

約数列:

[1, 3, 7, 9, 21, 49, 63, 97, 147, 283, 291, 441, 679, 849, 873, 1981, 2037, 2547, 4753, 5943, 6111, 13867, 14259, 17829, 27451, 41601, 42777, 82353, 124803, 192157, 247059, 576471, 1345099, 1729413, 4035297, 12105891]

約数ペア:

[(1, 12105891), (3, 4035297), (7, 1729413), (9, 1345099), (21, 576471), (49, 247059), (63, 192157), (97, 124803), (147, 82353), (283, 42777), (291, 41601), (441, 27451), (679, 17829), (849, 14259), (873, 13867), (1981, 6111), (2037, 5943), (2547, 4753)]