9991839

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23291}}^1$

素因数の和:23318

約数の個数: 16

約数和(自身を含む): 15652224

約数和(自身を除く): 5660385

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 23291, 69873, 256201, 302783, 768603, 908349, 3330613, 9991839]

約数ペア:

[(1, 9991839), (3, 3330613), (11, 908349), (13, 768603), (33, 302783), (39, 256201), (143, 69873), (429, 23291)]