6898857

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 10867392

約数和(自身を除く): 3968535

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 661, 1491, 1983, 3479, 4627, 10437, 13881, 32389, 46931, 97167, 140793, 328517, 985551, 2299619, 6898857]

約数ペア:

[(1, 6898857), (3, 2299619), (7, 985551), (21, 328517), (49, 140793), (71, 97167), (147, 46931), (213, 32389), (497, 13881), (661, 10437), (1491, 4627), (1983, 3479)]