81844791

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{17477}}^1$

素因数の和:17710

約数の個数: 16

約数和(自身を含む): 125282304

約数和(自身を除く): 43437513

約数列:

[1, 3, 7, 21, 223, 669, 1561, 4683, 17477, 52431, 122339, 367017, 3897371, 11692113, 27281597, 81844791]

約数ペア:

[(1, 81844791), (3, 27281597), (7, 11692113), (21, 3897371), (223, 367017), (669, 122339), (1561, 52431), (4683, 17477)]