12880491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{7027}}^1$

素因数の和:7090

約数の個数: 16

約数和(自身を含む): 18891264

約数和(自身を除く): 6010773

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 7027, 21081, 91351, 274053, 330269, 990807, 4293497, 12880491]

約数ペア:

[(1, 12880491), (3, 4293497), (13, 990807), (39, 330269), (47, 274053), (141, 91351), (611, 21081), (1833, 7027)]