280705139

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{115469}}^1$

素因数の和:115510

約数の個数: 16

約数和(自身を含む): 349181280

約数和(自身を除く): 68476141

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 115469, 1270159, 1501097, 1962973, 16512067, 21592703, 25518649, 280705139]

約数ペア:

[(1, 280705139), (11, 25518649), (13, 21592703), (17, 16512067), (143, 1962973), (187, 1501097), (221, 1270159), (2431, 115469)]