86671215

素因数分解:

$3^4\times 5^1\times {\mathrm{214003}}^1$

素因数の和:214020

約数の個数: 20

約数和(自身を含む): 155366904

約数和(自身を除く): 68695689

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 214003, 642009, 1070015, 1926027, 3210045, 5778081, 9630135, 17334243, 28890405, 86671215]

約数ペア:

[(1, 86671215), (3, 28890405), (5, 17334243), (9, 9630135), (15, 5778081), (27, 3210045), (45, 1926027), (81, 1070015), (135, 642009), (405, 214003)]