17980493817

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{974711}}^1$

素因数の和:974781

約数の個数: 32

約数和(自身を含む): 28820284416

約数和(自身を除く): 10839790599

約数列:

[1, 3, 11, 13, 33, 39, 43, 129, 143, 429, 473, 559, 1419, 1677, 6149, 18447, 974711, 2924133, 10721821, 12671243, 32165463, 38013729, 41912573, 125737719, 139383673, 418151019, 461038303, 544863449, 1383114909, 1634590347, 5993497939, 17980493817]

約数ペア:

[(1, 17980493817), (3, 5993497939), (11, 1634590347), (13, 1383114909), (33, 544863449), (39, 461038303), (43, 418151019), (129, 139383673), (143, 125737719), (429, 41912573), (473, 38013729), (559, 32165463), (1419, 12671243), (1677, 10721821), (6149, 2924133), (18447, 974711)]