78253215

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127241}}^1$

素因数の和:127290

約数の個数: 16

約数和(自身を含む): 128259936

約数和(自身を除く): 50006721

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 127241, 381723, 636205, 1908615, 5216881, 15650643, 26084405, 78253215]

約数ペア:

[(1, 78253215), (3, 26084405), (5, 15650643), (15, 5216881), (41, 1908615), (123, 636205), (205, 381723), (615, 127241)]