12154989

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7517}}^1$

素因数の和:7545

約数の個数: 24

約数和(自身を含む): 20569248

約数和(自身を除く): 8414259

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 7517, 22551, 52619, 82687, 157857, 248061, 368333, 578809, 1104999, 1736427, 4051663, 12154989]

約数ペア:

[(1, 12154989), (3, 4051663), (7, 1736427), (11, 1104999), (21, 578809), (33, 368333), (49, 248061), (77, 157857), (147, 82687), (231, 52619), (539, 22551), (1617, 7517)]