207148975

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^2$

素因数の和:157

約数の個数: 54

約数和(自身を含む): 297779552

約数和(自身を除く): 90630577

約数列:

[1, 5, 11, 25, 31, 47, 55, 121, 155, 235, 275, 341, 517, 605, 775, 1175, 1457, 1705, 2209, 2585, 3025, 3751, 5687, 7285, 8525, 11045, 12925, 16027, 18755, 24299, 28435, 36425, 55225, 68479, 80135, 93775, 121495, 142175, 176297, 267289, 342395, 400675, 607475, 753269, 881485, 1336445, 1711975, 3766345, 4407425, 6682225, 8285959, 18831725, 41429795, 207148975]

約数ペア:

[(1, 207148975), (5, 41429795), (11, 18831725), (25, 8285959), (31, 6682225), (47, 4407425), (55, 3766345), (121, 1711975), (155, 1336445), (235, 881485), (275, 753269), (341, 607475), (517, 400675), (605, 342395), (775, 267289), (1175, 176297), (1457, 142175), (1705, 121495), (2209, 93775), (2585, 80135), (3025, 68479), (3751, 55225), (5687, 36425), (7285, 28435), (8525, 24299), (11045, 18755), (12925, 16027)]