26009991

素因数分解:

$3^7\times 7^1\times {\mathrm{1699}}^1$

素因数の和:1727

約数の個数: 32

約数和(自身を含む): 44608000

約数和(自身を除く): 18598009

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1699, 1701, 2187, 5097, 5103, 11893, 15291, 15309, 35679, 45873, 107037, 137619, 321111, 412857, 963333, 1238571, 2889999, 3715713, 8669997, 26009991]

約数ペア:

[(1, 26009991), (3, 8669997), (7, 3715713), (9, 2889999), (21, 1238571), (27, 963333), (63, 412857), (81, 321111), (189, 137619), (243, 107037), (567, 45873), (729, 35679), (1699, 15309), (1701, 15291), (2187, 11893), (5097, 5103)]