15717845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 23716800

約数和(自身を除く): 7998955

約数列:

[1, 5, 11, 13, 19, 55, 65, 89, 95, 143, 169, 209, 247, 445, 715, 845, 979, 1045, 1157, 1235, 1691, 1859, 2717, 3211, 4895, 5785, 8455, 9295, 12727, 13585, 15041, 16055, 18601, 21983, 35321, 63635, 75205, 93005, 109915, 165451, 176605, 241813, 285779, 827255, 1209065, 1428895, 3143569, 15717845]

約数ペア:

[(1, 15717845), (5, 3143569), (11, 1428895), (13, 1209065), (19, 827255), (55, 285779), (65, 241813), (89, 176605), (95, 165451), (143, 109915), (169, 93005), (209, 75205), (247, 63635), (445, 35321), (715, 21983), (845, 18601), (979, 16055), (1045, 15041), (1157, 13585), (1235, 12727), (1691, 9295), (1859, 8455), (2717, 5785), (3211, 4895)]