39941997

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{1997}}^1$

素因数の和:2172

約数の個数: 16

約数和(自身を含む): 54665280

約数和(自身を除く): 14723283

約数列:

[1, 3, 59, 113, 177, 339, 1997, 5991, 6667, 20001, 117823, 225661, 353469, 676983, 13313999, 39941997]

約数ペア:

[(1, 39941997), (3, 13313999), (59, 676983), (113, 353469), (177, 225661), (339, 117823), (1997, 20001), (5991, 6667)]