131578881

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{152821}}^1$

素因数の和:152872

約数の個数: 16

約数和(自身を含む): 205392768

約数和(自身を除く): 73813887

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 152821, 458463, 1069747, 3209241, 6265661, 18796983, 43859627, 131578881]

約数ペア:

[(1, 131578881), (3, 43859627), (7, 18796983), (21, 6265661), (41, 3209241), (123, 1069747), (287, 458463), (861, 152821)]