2563920009

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1769441}}^1$

素因数の和:1769477

約数の個数: 24

約数和(自身を含む): 4416527232

約数和(自身を除く): 1852607223

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 1769441, 5308323, 12386087, 15924969, 37158261, 40697143, 111474783, 122091429, 284880001, 366274287, 854640003, 2563920009]

約数ペア:

[(1, 2563920009), (3, 854640003), (7, 366274287), (9, 284880001), (21, 122091429), (23, 111474783), (63, 40697143), (69, 37158261), (161, 15924969), (207, 12386087), (483, 5308323), (1449, 1769441)]