515223

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 823680

約数和(自身を除く): 308457

約数列:

[1, 3, 9, 19, 23, 57, 69, 131, 171, 207, 393, 437, 1179, 1311, 2489, 3013, 3933, 7467, 9039, 22401, 27117, 57247, 171741, 515223]

約数ペア:

[(1, 515223), (3, 171741), (9, 57247), (19, 27117), (23, 22401), (57, 9039), (69, 7467), (131, 3933), (171, 3013), (207, 2489), (393, 1311), (437, 1179)]