261360981

素因数分解:

$3^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{14159}}^1$

素因数の和:14465

約数の個数: 24

約数和(自身を含む): 432956160

約数和(自身を除く): 171595179

約数列:

[1, 3, 7, 9, 21, 63, 293, 879, 2051, 2637, 6153, 14159, 18459, 42477, 99113, 127431, 297339, 892017, 4148587, 12445761, 29040109, 37337283, 87120327, 261360981]

約数ペア:

[(1, 261360981), (3, 87120327), (7, 37337283), (9, 29040109), (21, 12445761), (63, 4148587), (293, 892017), (879, 297339), (2051, 127431), (2637, 99113), (6153, 42477), (14159, 18459)]