11982901

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 14984160

約数和(自身を除く): 3001259

約数列:

[1, 7, 19, 49, 61, 133, 211, 427, 931, 1159, 1477, 2989, 4009, 8113, 10339, 12871, 28063, 56791, 90097, 196441, 244549, 630679, 1711843, 11982901]

約数ペア:

[(1, 11982901), (7, 1711843), (19, 630679), (49, 244549), (61, 196441), (133, 90097), (211, 56791), (427, 28063), (931, 12871), (1159, 10339), (1477, 8113), (2989, 4009)]