71680041

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{1087}}^1$

素因数の和:1541

約数の個数: 24

約数和(自身を含む): 109983744

約数和(自身を除く): 38303703

約数列:

[1, 3, 9, 17, 51, 153, 431, 1087, 1293, 3261, 3879, 7327, 9783, 18479, 21981, 55437, 65943, 166311, 468497, 1405491, 4216473, 7964449, 23893347, 71680041]

約数ペア:

[(1, 71680041), (3, 23893347), (9, 7964449), (17, 4216473), (51, 1405491), (153, 468497), (431, 166311), (1087, 65943), (1293, 55437), (3261, 21981), (3879, 18479), (7327, 9783)]