17820009

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2777}}^1$

素因数の和:2837

約数の個数: 24

約数和(自身を含む): 27735552

約数和(自身を除く): 9915543

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 2777, 6417, 8331, 24993, 63871, 86087, 191613, 258261, 574839, 774783, 1980001, 5940003, 17820009]

約数ペア:

[(1, 17820009), (3, 5940003), (9, 1980001), (23, 774783), (31, 574839), (69, 258261), (93, 191613), (207, 86087), (279, 63871), (713, 24993), (2139, 8331), (2777, 6417)]