81806499

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1973}}^1$

素因数の和:2267

約数の個数: 24

約数和(自身を含む): 125641152

約数和(自身を除く): 43834653

約数列:

[1, 3, 9, 17, 51, 153, 271, 813, 1973, 2439, 4607, 5919, 13821, 17757, 33541, 41463, 100623, 301869, 534683, 1604049, 4812147, 9089611, 27268833, 81806499]

約数ペア:

[(1, 81806499), (3, 27268833), (9, 9089611), (17, 4812147), (51, 1604049), (153, 534683), (271, 301869), (813, 100623), (1973, 41463), (2439, 33541), (4607, 17757), (5919, 13821)]