26857971

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4139}}^1$

素因数の和:4255

約数の個数: 24

約数和(自身を含む): 44778240

約数和(自身を除く): 17920269

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 4139, 6489, 12417, 28973, 37251, 86919, 260757, 426317, 1278951, 2984219, 3836853, 8952657, 26857971]

約数ペア:

[(1, 26857971), (3, 8952657), (7, 3836853), (9, 2984219), (21, 1278951), (63, 426317), (103, 260757), (309, 86919), (721, 37251), (927, 28973), (2163, 12417), (4139, 6489)]