81243135

素因数分解:

$3^3\times 5^1\times {\mathrm{601801}}^1$

素因数の和:601815

約数の個数: 16

約数和(自身を含む): 144432480

約数和(自身を除く): 63189345

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 601801, 1805403, 3009005, 5416209, 9027015, 16248627, 27081045, 81243135]

約数ペア:

[(1, 81243135), (3, 27081045), (5, 16248627), (9, 9027015), (15, 5416209), (27, 3009005), (45, 1805403), (135, 601801)]