68681487

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{7919}}^1$

素因数の和:7995

約数の個数: 24

約数和(自身を含む): 108345600

約数和(自身を除く): 39664113

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 413, 1239, 2891, 7919, 8673, 23757, 55433, 166299, 388031, 467221, 1164093, 1401663, 3270547, 9811641, 22893829, 68681487]

約数ペア:

[(1, 68681487), (3, 22893829), (7, 9811641), (21, 3270547), (49, 1401663), (59, 1164093), (147, 467221), (177, 388031), (413, 166299), (1239, 55433), (2891, 23757), (7919, 8673)]