26986689

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{1579}}^1$

素因数の和:1802

約数の個数: 20

約数和(自身を含む): 40530160

約数和(自身を除く): 13543471

約数列:

[1, 3, 9, 27, 81, 211, 633, 1579, 1899, 4737, 5697, 14211, 17091, 42633, 127899, 333169, 999507, 2998521, 8995563, 26986689]

約数ペア:

[(1, 26986689), (3, 8995563), (9, 2998521), (27, 999507), (81, 333169), (211, 127899), (633, 42633), (1579, 17091), (1899, 14211), (4737, 5697)]