15640251

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 24019200

約数和(自身を除く): 8378949

約数列:

[1, 3, 11, 29, 33, 59, 87, 177, 277, 319, 649, 831, 957, 1711, 1947, 3047, 5133, 8033, 9141, 16343, 18821, 24099, 49029, 56463, 88363, 179773, 265089, 473947, 539319, 1421841, 5213417, 15640251]

約数ペア:

[(1, 15640251), (3, 5213417), (11, 1421841), (29, 539319), (33, 473947), (59, 265089), (87, 179773), (177, 88363), (277, 56463), (319, 49029), (649, 24099), (831, 18821), (957, 16343), (1711, 9141), (1947, 8033), (3047, 5133)]