78505779

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139939}}^1$

素因数の和:139970

約数の個数: 16

約数和(自身を含む): 120908160

約数和(自身を除く): 42402381

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 139939, 419817, 1539329, 2378963, 4617987, 7136889, 26168593, 78505779]

約数ペア:

[(1, 78505779), (3, 26168593), (11, 7136889), (17, 4617987), (33, 2378963), (51, 1539329), (187, 419817), (561, 139939)]