261799305

素因数分解:

$3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1\times {\mathrm{457}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 424115328

約数和(自身を除く): 162316023

約数列:

[1, 3, 5, 15, 181, 211, 457, 543, 633, 905, 1055, 1371, 2285, 2715, 3165, 6855, 38191, 82717, 96427, 114573, 190955, 248151, 289281, 413585, 482135, 572865, 1240755, 1446405, 17453287, 52359861, 87266435, 261799305]

約数ペア:

[(1, 261799305), (3, 87266435), (5, 52359861), (15, 17453287), (181, 1446405), (211, 1240755), (457, 572865), (543, 482135), (633, 413585), (905, 289281), (1055, 248151), (1371, 190955), (2285, 114573), (2715, 96427), (3165, 82717), (6855, 38191)]