27979161

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{433}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 45497088

約数和(自身を除く): 17517927

約数列:

[1, 3, 7, 17, 21, 51, 119, 181, 357, 433, 543, 1267, 1299, 3031, 3077, 3801, 7361, 9093, 9231, 21539, 22083, 51527, 64617, 78373, 154581, 235119, 548611, 1332341, 1645833, 3997023, 9326387, 27979161]

約数ペア:

[(1, 27979161), (3, 9326387), (7, 3997023), (17, 1645833), (21, 1332341), (51, 548611), (119, 235119), (181, 154581), (357, 78373), (433, 64617), (543, 51527), (1267, 22083), (1299, 21539), (3031, 9231), (3077, 9093), (3801, 7361)]