2878799

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:148

約数の個数: 20

約数和(自身を含む): 3697320

約数和(自身を除く): 818521

約数列:

[1, 7, 11, 49, 77, 109, 343, 539, 763, 1199, 2401, 3773, 5341, 8393, 26411, 37387, 58751, 261709, 411257, 2878799]

約数ペア:

[(1, 2878799), (7, 411257), (11, 261709), (49, 58751), (77, 37387), (109, 26411), (343, 8393), (539, 5341), (763, 3773), (1199, 2401)]