7970820309

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{707951}}^1$

素因数の和:708102

約数の個数: 20

約数和(自身を含む): 11992706880

約数和(自身を除く): 4021886571

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 707951, 2123853, 6371559, 19114677, 57344031, 98405189, 295215567, 885646701, 2656940103, 7970820309]

約数ペア:

[(1, 7970820309), (3, 2656940103), (9, 885646701), (27, 295215567), (81, 98405189), (139, 57344031), (417, 19114677), (1251, 6371559), (3753, 2123853), (11259, 707951)]