9880247

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 11990160

約数和(自身を除く): 2109913

約数列:

[1, 13, 17, 19, 169, 181, 221, 247, 323, 2353, 2873, 3077, 3211, 3439, 4199, 30589, 40001, 44707, 54587, 58463, 520013, 581191, 760019, 9880247]

約数ペア:

[(1, 9880247), (13, 760019), (17, 581191), (19, 520013), (169, 58463), (181, 54587), (221, 44707), (247, 40001), (323, 30589), (2353, 4199), (2873, 3439), (3077, 3211)]