206989461

素因数分解:

$3^2\times 7^1\times {\mathrm{461}}^1\times {\mathrm{7127}}^1$

素因数の和:7601

約数の個数: 24

約数和(自身を含む): 342486144

約数和(自身を除く): 135496683

約数列:

[1, 3, 7, 9, 21, 63, 461, 1383, 3227, 4149, 7127, 9681, 21381, 29043, 49889, 64143, 149667, 449001, 3285547, 9856641, 22998829, 29569923, 68996487, 206989461]

約数ペア:

[(1, 206989461), (3, 68996487), (7, 29569923), (9, 22998829), (21, 9856641), (63, 3285547), (461, 449001), (1383, 149667), (3227, 64143), (4149, 49889), (7127, 29043), (9681, 21381)]