2871209

素因数分解:

${\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:472

約数の個数: 12

約数和(自身を含む): 3215940

約数和(自身を除く): 344731

約数列:

[1, 11, 61, 121, 389, 671, 4279, 7381, 23729, 47069, 261019, 2871209]

約数ペア:

[(1, 2871209), (11, 261019), (61, 47069), (121, 23729), (389, 7381), (671, 4279)]