81354979

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 97044480

約数和(自身を除く): 15689501

約数列:

[1, 17, 19, 23, 47, 233, 323, 391, 437, 799, 893, 1081, 3961, 4427, 5359, 7429, 10951, 15181, 18377, 20539, 75259, 91103, 101821, 186167, 208069, 251873, 349163, 1730957, 3537173, 4281841, 4785587, 81354979]

約数ペア:

[(1, 81354979), (17, 4785587), (19, 4281841), (23, 3537173), (47, 1730957), (233, 349163), (323, 251873), (391, 208069), (437, 186167), (799, 101821), (893, 91103), (1081, 75259), (3961, 20539), (4427, 18377), (5359, 15181), (7429, 10951)]