8513211

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2043

約数の個数: 24

約数和(自身を含む): 13666320

約数和(自身を除く): 5153109

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 1997, 4263, 5991, 13979, 41937, 57913, 97853, 173739, 293559, 405391, 1216173, 2837737, 8513211]

約数ペア:

[(1, 8513211), (3, 2837737), (7, 1216173), (21, 405391), (29, 293559), (49, 173739), (87, 97853), (147, 57913), (203, 41937), (609, 13979), (1421, 5991), (1997, 4263)]