2178757251

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{124337}}^1$

素因数の和:124416

約数の個数: 32

約数和(自身を含む): 3580934400

約数和(自身を除く): 1402177149

約数列:

[1, 3, 9, 11, 27, 33, 59, 99, 177, 297, 531, 649, 1593, 1947, 5841, 17523, 124337, 373011, 1119033, 1367707, 3357099, 4103121, 7335883, 12309363, 22007649, 36928089, 66022947, 80694713, 198068841, 242084139, 726252417, 2178757251]

約数ペア:

[(1, 2178757251), (3, 726252417), (9, 242084139), (11, 198068841), (27, 80694713), (33, 66022947), (59, 36928089), (99, 22007649), (177, 12309363), (297, 7335883), (531, 4103121), (649, 3357099), (1593, 1367707), (1947, 1119033), (5841, 373011), (17523, 124337)]