66852639

素因数分解:

$3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{4129}}^1$

素因数の和:4399

約数の個数: 24

約数和(自身を含む): 110816160

約数和(自身を除く): 43963521

約数列:

[1, 3, 7, 9, 21, 63, 257, 771, 1799, 2313, 4129, 5397, 12387, 16191, 28903, 37161, 86709, 260127, 1061153, 3183459, 7428071, 9550377, 22284213, 66852639]

約数ペア:

[(1, 66852639), (3, 22284213), (7, 9550377), (9, 7428071), (21, 3183459), (63, 1061153), (257, 260127), (771, 86709), (1799, 37161), (2313, 28903), (4129, 16191), (5397, 12387)]