2768727

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:199

約数の個数: 24

約数和(自身を含む): 4122624

約数和(自身を除く): 1353897

約数列:

[1, 3, 13, 39, 43, 127, 129, 169, 381, 507, 559, 1651, 1677, 4953, 5461, 7267, 16383, 21463, 21801, 64389, 70993, 212979, 922909, 2768727]

約数ペア:

[(1, 2768727), (3, 922909), (13, 212979), (39, 70993), (43, 64389), (127, 21801), (129, 21463), (169, 16383), (381, 7267), (507, 5461), (559, 4953), (1651, 1677)]