20711601

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{41}}^2$

素因数の和:162

約数の個数: 27

約数和(自身を含む): 31515393

約数和(自身を除く): 10803792

約数列:

[1, 3, 9, 37, 41, 111, 123, 333, 369, 1369, 1517, 1681, 4107, 4551, 5043, 12321, 13653, 15129, 56129, 62197, 168387, 186591, 505161, 559773, 2301289, 6903867, 20711601]

約数ペア:

[(1, 20711601), (3, 6903867), (9, 2301289), (37, 559773), (41, 505161), (111, 186591), (123, 168387), (333, 62197), (369, 56129), (1369, 15129), (1517, 13653), (1681, 12321), (4107, 5043)]