309259293

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{1999}}^1$

素因数の和:2201

約数の個数: 32

約数和(自身を含む): 483840000

約数和(自身を除く): 174580707

約数列:

[1, 3, 7, 21, 53, 139, 159, 371, 417, 973, 1113, 1999, 2919, 5997, 7367, 13993, 22101, 41979, 51569, 105947, 154707, 277861, 317841, 741629, 833583, 1945027, 2224887, 5835081, 14726633, 44179899, 103086431, 309259293]

約数ペア:

[(1, 309259293), (3, 103086431), (7, 44179899), (21, 14726633), (53, 5835081), (139, 2224887), (159, 1945027), (371, 833583), (417, 741629), (973, 317841), (1113, 277861), (1999, 154707), (2919, 105947), (5997, 51569), (7367, 41979), (13993, 22101)]