81674127

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{691}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 123497088

約数和(自身を除く): 41822961

約数列:

[1, 3, 9, 23, 69, 207, 571, 691, 1713, 2073, 5139, 6219, 13133, 15893, 39399, 47679, 118197, 143037, 394561, 1183683, 3551049, 9074903, 27224709, 81674127]

約数ペア:

[(1, 81674127), (3, 27224709), (9, 9074903), (23, 3551049), (69, 1183683), (207, 394561), (571, 143037), (691, 118197), (1713, 47679), (2073, 39399), (5139, 15893), (6219, 13133)]