81720507

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{33923}}^1$

素因数の和:34010

約数の個数: 16

約数和(自身を含む): 120498048

約数和(自身を除く): 38777541

約数列:

[1, 3, 11, 33, 73, 219, 803, 2409, 33923, 101769, 373153, 1119459, 2476379, 7429137, 27240169, 81720507]

約数ペア:

[(1, 81720507), (3, 27240169), (11, 7429137), (33, 2476379), (73, 1119459), (219, 373153), (803, 101769), (2409, 33923)]