19749492819

素因数分解:

$3^6\times 7^1\times {\mathrm{3870173}}^1$

素因数の和:3870198

約数の個数: 28

約数和(自身を含む): 33840801456

約数和(自身を除く): 14091308637

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 3870173, 11610519, 27091211, 34831557, 81273633, 104494671, 243820899, 313484013, 731462697, 940452039, 2194388091, 2821356117, 6583164273, 19749492819]

約数ペア:

[(1, 19749492819), (3, 6583164273), (7, 2821356117), (9, 2194388091), (21, 940452039), (27, 731462697), (63, 313484013), (81, 243820899), (189, 104494671), (243, 81273633), (567, 34831557), (729, 27091211), (1701, 11610519), (5103, 3870173)]