78828687

素因数分解:

$3^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{3691}}^1$

素因数の和:3820

約数の個数: 32

約数和(自身を含む): 134684160

約数和(自身を除く): 55855473

約数列:

[1, 3, 7, 9, 21, 27, 63, 113, 189, 339, 791, 1017, 2373, 3051, 3691, 7119, 11073, 21357, 25837, 33219, 77511, 99657, 232533, 417083, 697599, 1251249, 2919581, 3753747, 8758743, 11261241, 26276229, 78828687]

約数ペア:

[(1, 78828687), (3, 26276229), (7, 11261241), (9, 8758743), (21, 3753747), (27, 2919581), (63, 1251249), (113, 697599), (189, 417083), (339, 232533), (791, 99657), (1017, 77511), (2373, 33219), (3051, 25837), (3691, 21357), (7119, 11073)]