13664943

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{2311}}^1$

素因数の和:2396

約数の個数: 20

約数和(自身を含む): 20701648

約数和(自身を除く): 7036705

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 2311, 5913, 6933, 20799, 62397, 168703, 187191, 506109, 1518327, 4554981, 13664943]

約数ペア:

[(1, 13664943), (3, 4554981), (9, 1518327), (27, 506109), (73, 187191), (81, 168703), (219, 62397), (657, 20799), (1971, 6933), (2311, 5913)]