78189255

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{42379}}^1$

素因数の和:42431

約数の個数: 24

約数和(自身を含む): 138836880

約数和(自身を除く): 60647625

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 42379, 127137, 211895, 381411, 635685, 1737539, 1907055, 5212617, 8687695, 15637851, 26063085, 78189255]

約数ペア:

[(1, 78189255), (3, 26063085), (5, 15637851), (9, 8687695), (15, 5212617), (41, 1907055), (45, 1737539), (123, 635685), (205, 381411), (369, 211895), (615, 127137), (1845, 42379)]