189392007

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{21121}}^1$

素因数の和:21199

約数の個数: 24

約数和(自身を含む): 298580592

約数和(自身を除く): 109188585

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 2989, 8967, 21121, 63363, 147847, 443541, 1034929, 1288381, 3104787, 3865143, 9018667, 27056001, 63130669, 189392007]

約数ペア:

[(1, 189392007), (3, 63130669), (7, 27056001), (21, 9018667), (49, 3865143), (61, 3104787), (147, 1288381), (183, 1034929), (427, 443541), (1281, 147847), (2989, 63363), (8967, 21121)]