78220737

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{26417}}^1$

素因数の和:26477

約数の個数: 24

約数和(自身を含む): 131878656

約数和(自身を除く): 53657919

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 26417, 79251, 184919, 237753, 554757, 1241599, 1664271, 3724797, 8691193, 11174391, 26073579, 78220737]

約数ペア:

[(1, 78220737), (3, 26073579), (7, 11174391), (9, 8691193), (21, 3724797), (47, 1664271), (63, 1241599), (141, 554757), (329, 237753), (423, 184919), (987, 79251), (2961, 26417)]