557847

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 20

約数和(自身を含む): 853776

約数和(自身を除く): 295929

約数列:

[1, 3, 9, 27, 71, 81, 97, 213, 291, 639, 873, 1917, 2619, 5751, 6887, 7857, 20661, 61983, 185949, 557847]

約数ペア:

[(1, 557847), (3, 185949), (9, 61983), (27, 20661), (71, 7857), (81, 6887), (97, 5751), (213, 2619), (291, 1917), (639, 873)]