81621654

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{316363}}^1$

素因数の和:316411

約数の個数: 16

約数和(自身を含む): 167040192

約数和(自身を除く): 85418538

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 316363, 632726, 949089, 1898178, 13603609, 27207218, 40810827, 81621654]

約数ペア:

[(1, 81621654), (2, 40810827), (3, 27207218), (6, 13603609), (43, 1898178), (86, 949089), (129, 632726), (258, 316363)]