28447341

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 43763328

約数和(自身を除く): 15315987

約数列:

[1, 3, 13, 17, 39, 51, 107, 221, 321, 401, 663, 1203, 1391, 1819, 4173, 5213, 5457, 6817, 15639, 20451, 23647, 42907, 70941, 88621, 128721, 265863, 557791, 729419, 1673373, 2188257, 9482447, 28447341]

約数ペア:

[(1, 28447341), (3, 9482447), (13, 2188257), (17, 1673373), (39, 729419), (51, 557791), (107, 265863), (221, 128721), (321, 88621), (401, 70941), (663, 42907), (1203, 23647), (1391, 20451), (1819, 15639), (4173, 6817), (5213, 5457)]