2678247

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2081}}^1$

素因数の和:2111

約数の個数: 24

約数和(自身を含む): 4547088

約数和(自身を除く): 1868841

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 2081, 6243, 18729, 22891, 27053, 68673, 81159, 206019, 243477, 297583, 892749, 2678247]

約数ペア:

[(1, 2678247), (3, 892749), (9, 297583), (11, 243477), (13, 206019), (33, 81159), (39, 68673), (99, 27053), (117, 22891), (143, 18729), (429, 6243), (1287, 2081)]