13505975

素因数分解:

$5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1087}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 19427328

約数和(自身を除く): 5921353

約数列:

[1, 5, 7, 25, 35, 71, 175, 355, 497, 1087, 1775, 2485, 5435, 7609, 12425, 27175, 38045, 77177, 190225, 385885, 540239, 1929425, 2701195, 13505975]

約数ペア:

[(1, 13505975), (5, 2701195), (7, 1929425), (25, 540239), (35, 385885), (71, 190225), (175, 77177), (355, 38045), (497, 27175), (1087, 12425), (1775, 7609), (2485, 5435)]