78788265

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{128111}}^1$

素因数の和:128160

約数の個数: 16

約数和(自身を含む): 129136896

約数和(自身を除く): 50348631

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 128111, 384333, 640555, 1921665, 5252551, 15757653, 26262755, 78788265]

約数ペア:

[(1, 78788265), (3, 26262755), (5, 15757653), (15, 5252551), (41, 1921665), (123, 640555), (205, 384333), (615, 128111)]