2821247

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:314

約数の個数: 16

約数和(自身を含む): 3363360

約数和(自身を除く): 542113

約数列:

[1, 11, 13, 109, 143, 181, 1199, 1417, 1991, 2353, 15587, 19729, 25883, 217019, 256477, 2821247]

約数ペア:

[(1, 2821247), (11, 256477), (13, 217019), (109, 25883), (143, 19729), (181, 15587), (1199, 2353), (1417, 1991)]