161729721

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{45959}}^1$

素因数の和:46005

約数の個数: 24

約数和(自身を含む): 258111360

約数和(自身を除く): 96381639

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 45959, 137877, 413631, 781303, 1057057, 2343909, 3171171, 7031727, 9513513, 17969969, 53909907, 161729721]

約数ペア:

[(1, 161729721), (3, 53909907), (9, 17969969), (17, 9513513), (23, 7031727), (51, 3171171), (69, 2343909), (153, 1057057), (207, 781303), (391, 413631), (1173, 137877), (3519, 45959)]