8991921

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2161}}^1$

素因数の和:2256

約数の個数: 16

約数和(自身を含む): 12799040

約数和(自身を除く): 3807119

約数列:

[1, 3, 19, 57, 73, 219, 1387, 2161, 4161, 6483, 41059, 123177, 157753, 473259, 2997307, 8991921]

約数ペア:

[(1, 8991921), (3, 2997307), (19, 473259), (57, 157753), (73, 123177), (219, 41059), (1387, 6483), (2161, 4161)]