11899209

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1327}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 18772608

約数和(自身を除く): 6873399

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 1327, 2989, 3981, 8967, 9289, 27867, 65023, 80947, 195069, 242841, 566629, 1699887, 3966403, 11899209]

約数ペア:

[(1, 11899209), (3, 3966403), (7, 1699887), (21, 566629), (49, 242841), (61, 195069), (147, 80947), (183, 65023), (427, 27867), (1281, 9289), (1327, 8967), (2989, 3981)]