257464629

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{307}}^1\times {\mathrm{349}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 388080000

約数和(自身を除く): 130615371

約数列:

[1, 3, 9, 27, 89, 267, 307, 349, 801, 921, 1047, 2403, 2763, 3141, 8289, 9423, 27323, 31061, 81969, 93183, 107143, 245907, 279549, 321429, 737721, 838647, 964287, 2892861, 9535727, 28607181, 85821543, 257464629]

約数ペア:

[(1, 257464629), (3, 85821543), (9, 28607181), (27, 9535727), (89, 2892861), (267, 964287), (307, 838647), (349, 737721), (801, 321429), (921, 279549), (1047, 245907), (2403, 107143), (2763, 93183), (3141, 81969), (8289, 31061), (9423, 27323)]