9720351

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{2081}}^1$

素因数の和:2263

約数の個数: 16

約数和(自身を含む): 14490720

約数和(自身を除く): 4770369

約数列:

[1, 3, 9, 27, 173, 519, 1557, 2081, 4671, 6243, 18729, 56187, 360013, 1080039, 3240117, 9720351]

約数ペア:

[(1, 9720351), (3, 3240117), (9, 1080039), (27, 360013), (173, 56187), (519, 18729), (1557, 6243), (2081, 4671)]