78886413

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{307}}^2$

素因数の和:654

約数の個数: 24

約数和(自身を含む): 121032960

約数和(自身を除く): 42146547

約数列:

[1, 3, 9, 27, 31, 93, 279, 307, 837, 921, 2763, 8289, 9517, 28551, 85653, 94249, 256959, 282747, 848241, 2544723, 2921719, 8765157, 26295471, 78886413]

約数ペア:

[(1, 78886413), (3, 26295471), (9, 8765157), (27, 2921719), (31, 2544723), (93, 848241), (279, 282747), (307, 256959), (837, 94249), (921, 85653), (2763, 28551), (8289, 9517)]