15278787

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{3559}}^1$

素因数の和:3624

約数の個数: 20

約数和(自身を含む): 23261040

約数和(自身を除く): 7982253

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 3559, 4293, 10677, 32031, 96093, 188627, 288279, 565881, 1697643, 5092929, 15278787]

約数ペア:

[(1, 15278787), (3, 5092929), (9, 1697643), (27, 565881), (53, 288279), (81, 188627), (159, 96093), (477, 32031), (1431, 10677), (3559, 4293)]