12687297

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 20321280

約数和(自身を除く): 7633983

約数列:

[1, 3, 7, 21, 29, 83, 87, 203, 249, 251, 581, 609, 753, 1743, 1757, 2407, 5271, 7221, 7279, 16849, 20833, 21837, 50547, 50953, 62499, 145831, 152859, 437493, 604157, 1812471, 4229099, 12687297]

約数ペア:

[(1, 12687297), (3, 4229099), (7, 1812471), (21, 604157), (29, 437493), (83, 152859), (87, 145831), (203, 62499), (249, 50953), (251, 50547), (581, 21837), (609, 20833), (753, 16849), (1743, 7279), (1757, 7221), (2407, 5271)]