31443309

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{20431}}^1$

素因数の和:20462

約数の個数: 20

約数和(自身を含む): 49445440

約数和(自身を除く): 18002131

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 20431, 61293, 183879, 388189, 551637, 1164567, 1654911, 3493701, 10481103, 31443309]

約数ペア:

[(1, 31443309), (3, 10481103), (9, 3493701), (19, 1654911), (27, 1164567), (57, 551637), (81, 388189), (171, 183879), (513, 61293), (1539, 20431)]