7761987

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{1213}}^1$

素因数の和:1304

約数の個数: 20

約数和(自身を含む): 11751520

約数和(自身を除く): 3989533

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 1213, 2133, 3639, 6399, 10917, 32751, 95827, 98253, 287481, 862443, 2587329, 7761987]

約数ペア:

[(1, 7761987), (3, 2587329), (9, 862443), (27, 287481), (79, 98253), (81, 95827), (237, 32751), (711, 10917), (1213, 6399), (2133, 3639)]