39987837

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{2887}}^1$

素因数の和:2924

約数の個数: 28

約数和(自身を含む): 63131680

約数和(自身を除く): 23143843

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1539, 2887, 4617, 8661, 13851, 25983, 54853, 77949, 164559, 233847, 493677, 701541, 1481031, 2104623, 4443093, 13329279, 39987837]

約数ペア:

[(1, 39987837), (3, 13329279), (9, 4443093), (19, 2104623), (27, 1481031), (57, 701541), (81, 493677), (171, 233847), (243, 164559), (513, 77949), (729, 54853), (1539, 25983), (2887, 13851), (4617, 8661)]