17966691

素因数分解:

$3^5\times {\mathrm{107}}^1\times {\mathrm{691}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 27203904

約数和(自身を除く): 9237213

約数列:

[1, 3, 9, 27, 81, 107, 243, 321, 691, 963, 2073, 2889, 6219, 8667, 18657, 26001, 55971, 73937, 167913, 221811, 665433, 1996299, 5988897, 17966691]

約数ペア:

[(1, 17966691), (3, 5988897), (9, 1996299), (27, 665433), (81, 221811), (107, 167913), (243, 73937), (321, 55971), (691, 26001), (963, 18657), (2073, 8667), (2889, 6219)]