42390243

素因数分解:

$3^3\times 7^2\times {\mathrm{179}}^2$

素因数の和:381

約数の個数: 36

約数和(自身を含む): 73463880

約数和(自身を除く): 31073637

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 179, 189, 441, 537, 1253, 1323, 1611, 3759, 4833, 8771, 11277, 26313, 32041, 33831, 78939, 96123, 224287, 236817, 288369, 672861, 865107, 1570009, 2018583, 4710027, 6055749, 14130081, 42390243]

約数ペア:

[(1, 42390243), (3, 14130081), (7, 6055749), (9, 4710027), (21, 2018583), (27, 1570009), (49, 865107), (63, 672861), (147, 288369), (179, 236817), (189, 224287), (441, 96123), (537, 78939), (1253, 33831), (1323, 32041), (1611, 26313), (3759, 11277), (4833, 8771)]