81357801

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227893}}^1$

素因数の和:227920

約数の個数: 16

約数和(自身を含む): 131266944

約数和(自身を除く): 49909143

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 227893, 683679, 1595251, 3874181, 4785753, 11622543, 27119267, 81357801]

約数ペア:

[(1, 81357801), (3, 27119267), (7, 11622543), (17, 4785753), (21, 3874181), (51, 1595251), (119, 683679), (357, 227893)]