18405441

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{40099}}^1$

素因数の和:40125

約数の個数: 16

約数和(自身を含む): 28872000

約数和(自身を除く): 10466559

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 40099, 120297, 360891, 681683, 1082673, 2045049, 6135147, 18405441]

約数ペア:

[(1, 18405441), (3, 6135147), (9, 2045049), (17, 1082673), (27, 681683), (51, 360891), (153, 120297), (459, 40099)]