78991515

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21149}}^1$

素因数の和:21243

約数の個数: 24

約数和(自身を含む): 138574800

約数和(自身を除く): 59583285

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 21149, 63447, 105745, 190341, 317235, 951705, 1755367, 5266101, 8776835, 15798303, 26330505, 78991515]

約数ペア:

[(1, 78991515), (3, 26330505), (5, 15798303), (9, 8776835), (15, 5266101), (45, 1755367), (83, 951705), (249, 317235), (415, 190341), (747, 105745), (1245, 63447), (3735, 21149)]