123545979

素因数分解:

$3^4\times {\mathrm{179}}^1\times {\mathrm{8521}}^1$

素因数の和:8712

約数の個数: 20

約数和(自身を含む): 185609160

約数和(自身を除く): 62063181

約数列:

[1, 3, 9, 27, 81, 179, 537, 1611, 4833, 8521, 14499, 25563, 76689, 230067, 690201, 1525259, 4575777, 13727331, 41181993, 123545979]

約数ペア:

[(1, 123545979), (3, 41181993), (9, 13727331), (27, 4575777), (81, 1525259), (179, 690201), (537, 230067), (1611, 76689), (4833, 25563), (8521, 14499)]