28685331

素因数分解:

$3^2\times {\mathrm{149}}^1\times {\mathrm{21391}}^1$

素因数の和:21546

約数の個数: 12

約数和(自身を含む): 41714400

約数和(自身を除く): 13029069

約数列:

[1, 3, 9, 149, 447, 1341, 21391, 64173, 192519, 3187259, 9561777, 28685331]

約数ペア:

[(1, 28685331), (3, 9561777), (9, 3187259), (149, 192519), (447, 64173), (1341, 21391)]