12682719

素因数分解:

$3^2\times 7^2\times {\mathrm{28759}}^1$

素因数の和:28779

約数の個数: 18

約数和(自身を含む): 21311160

約数和(自身を除く): 8628441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 28759, 86277, 201313, 258831, 603939, 1409191, 1811817, 4227573, 12682719]

約数ペア:

[(1, 12682719), (3, 4227573), (7, 1811817), (9, 1409191), (21, 603939), (49, 258831), (63, 201313), (147, 86277), (441, 28759)]