248157075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{107}}^2$

素因数の和:261

約数の個数: 54

約数和(自身を含む): 439951876

約数和(自身を除く): 191794801

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 107, 255, 289, 321, 425, 535, 867, 1275, 1445, 1605, 1819, 2675, 4335, 5457, 7225, 8025, 9095, 11449, 21675, 27285, 30923, 34347, 45475, 57245, 92769, 136425, 154615, 171735, 194633, 286225, 463845, 583899, 773075, 858675, 973165, 2319225, 2919495, 3308761, 4865825, 9926283, 14597475, 16543805, 49631415, 82719025, 248157075]

約数ペア:

[(1, 248157075), (3, 82719025), (5, 49631415), (15, 16543805), (17, 14597475), (25, 9926283), (51, 4865825), (75, 3308761), (85, 2919495), (107, 2319225), (255, 973165), (289, 858675), (321, 773075), (425, 583899), (535, 463845), (867, 286225), (1275, 194633), (1445, 171735), (1605, 154615), (1819, 136425), (2675, 92769), (4335, 57245), (5457, 45475), (7225, 34347), (8025, 30923), (9095, 27285), (11449, 21675)]