1260321

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:232

約数の個数: 16

約数和(自身を含む): 1749888

約数和(自身を除く): 489567

約数列:

[1, 3, 61, 71, 97, 183, 213, 291, 4331, 5917, 6887, 12993, 17751, 20661, 420107, 1260321]

約数ペア:

[(1, 1260321), (3, 420107), (61, 20661), (71, 17751), (97, 12993), (183, 6887), (213, 5917), (291, 4331)]