15280195

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 22605696

約数和(自身を除く): 7325501

約数列:

[1, 5, 7, 17, 35, 61, 85, 119, 305, 421, 427, 595, 1037, 2105, 2135, 2947, 5185, 7157, 7259, 14735, 25681, 35785, 36295, 50099, 128405, 179767, 250495, 436577, 898835, 2182885, 3056039, 15280195]

約数ペア:

[(1, 15280195), (5, 3056039), (7, 2182885), (17, 898835), (35, 436577), (61, 250495), (85, 179767), (119, 128405), (305, 50099), (421, 36295), (427, 35785), (595, 25681), (1037, 14735), (2105, 7259), (2135, 7157), (2947, 5185)]