81475155

素因数分解:

$3^2\times 5^1\times {\mathrm{467}}^1\times {\mathrm{3877}}^1$

素因数の和:4355

約数の個数: 24

約数和(自身を含む): 141562512

約数和(自身を除く): 60087357

約数列:

[1, 3, 5, 9, 15, 45, 467, 1401, 2335, 3877, 4203, 7005, 11631, 19385, 21015, 34893, 58155, 174465, 1810559, 5431677, 9052795, 16295031, 27158385, 81475155]

約数ペア:

[(1, 81475155), (3, 27158385), (5, 16295031), (9, 9052795), (15, 5431677), (45, 1810559), (467, 174465), (1401, 58155), (2335, 34893), (3877, 21015), (4203, 19385), (7005, 11631)]