66881943

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{11311}}^1$

素因数の和:11396

約数の個数: 20

約数和(自身を含む): 101287648

約数和(自身を除く): 34405705

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 11311, 33933, 101799, 305397, 825703, 916191, 2477109, 7431327, 22293981, 66881943]

約数ペア:

[(1, 66881943), (3, 22293981), (9, 7431327), (27, 2477109), (73, 916191), (81, 825703), (219, 305397), (657, 101799), (1971, 33933), (5913, 11311)]