15390219

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 23708160

約数和(自身を除く): 8317941

約数列:

[1, 3, 13, 17, 39, 51, 139, 167, 221, 417, 501, 663, 1807, 2171, 2363, 2839, 5421, 6513, 7089, 8517, 23213, 30719, 36907, 69639, 92157, 110721, 301769, 394621, 905307, 1183863, 5130073, 15390219]

約数ペア:

[(1, 15390219), (3, 5130073), (13, 1183863), (17, 905307), (39, 394621), (51, 301769), (139, 110721), (167, 92157), (221, 69639), (417, 36907), (501, 30719), (663, 23213), (1807, 8517), (2171, 7089), (2363, 6513), (2839, 5421)]