39847143

素因数分解:

$3^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{1663}}^1$

素因数の和:1843

約数の個数: 24

約数和(自身を含む): 62220288

約数和(自身を除く): 22373145

約数列:

[1, 3, 7, 21, 49, 147, 163, 489, 1141, 1663, 3423, 4989, 7987, 11641, 23961, 34923, 81487, 244461, 271069, 813207, 1897483, 5692449, 13282381, 39847143]

約数ペア:

[(1, 39847143), (3, 13282381), (7, 5692449), (21, 1897483), (49, 813207), (147, 271069), (163, 244461), (489, 81487), (1141, 34923), (1663, 23961), (3423, 11641), (4989, 7987)]