31891937

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21799}}^1$

素因数の和:21836

約数の個数: 16

約数和(自身を含む): 41856000

約数和(自身を除く): 9964063

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 21799, 152593, 239789, 414181, 1678523, 2899267, 4555991, 31891937]

約数ペア:

[(1, 31891937), (7, 4555991), (11, 2899267), (19, 1678523), (77, 414181), (133, 239789), (209, 152593), (1463, 21799)]