85878405

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26879}}^1$

素因数の和:26961

約数の個数: 24

約数和(自身を含む): 150958080

約数和(自身を除く): 65079675

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 26879, 80637, 134395, 241911, 403185, 1209555, 1908409, 5725227, 9542045, 17175681, 28626135, 85878405]

約数ペア:

[(1, 85878405), (3, 28626135), (5, 17175681), (9, 9542045), (15, 5725227), (45, 1908409), (71, 1209555), (213, 403185), (355, 241911), (639, 134395), (1065, 80637), (3195, 26879)]