81494037

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{17117}}^1$

素因数の和:17169

約数の個数: 18

約数和(自身を含む): 123061302

約数和(自身を除く): 41567265

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4761, 17117, 51351, 154053, 393691, 1181073, 3543219, 9054893, 27164679, 81494037]

約数ペア:

[(1, 81494037), (3, 27164679), (9, 9054893), (23, 3543219), (69, 1181073), (207, 393691), (529, 154053), (1587, 51351), (4761, 17117)]