31679721

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{69019}}^1$

素因数の和:69045

約数の個数: 16

約数和(自身を含む): 49694400

約数和(自身を除く): 18014679

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 69019, 207057, 621171, 1173323, 1863513, 3519969, 10559907, 31679721]

約数ペア:

[(1, 31679721), (3, 10559907), (9, 3519969), (17, 1863513), (27, 1173323), (51, 621171), (153, 207057), (459, 69019)]