66716721

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{18959}}^1$

素因数の和:19005

約数の個数: 24

約数和(自身を含む): 106479360

約数和(自身を除く): 39762639

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 18959, 56877, 170631, 322303, 436057, 966909, 1308171, 2900727, 3924513, 7412969, 22238907, 66716721]

約数ペア:

[(1, 66716721), (3, 22238907), (9, 7412969), (17, 3924513), (23, 2900727), (51, 1308171), (69, 966909), (153, 436057), (207, 322303), (391, 170631), (1173, 56877), (3519, 18959)]