27777169

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{503}}^1$

素因数の和:554

約数の個数: 20

約数和(自身を含む): 33880896

約数和(自身を除く): 6103727

約数列:

[1, 7, 23, 49, 161, 343, 503, 1127, 2401, 3521, 7889, 11569, 24647, 55223, 80983, 172529, 566881, 1207703, 3968167, 27777169]

約数ペア:

[(1, 27777169), (7, 3968167), (23, 1207703), (49, 566881), (161, 172529), (343, 80983), (503, 55223), (1127, 24647), (2401, 11569), (3521, 7889)]