215086473

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79397}}^1$

素因数の和:79453

約数の個数: 24

約数和(自身を含む): 363325248

約数和(自身を除く): 148238775

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 79397, 238191, 555779, 714573, 1667337, 3414071, 5002011, 10242213, 23898497, 30726639, 71695491, 215086473]

約数ペア:

[(1, 215086473), (3, 71695491), (7, 30726639), (9, 23898497), (21, 10242213), (43, 5002011), (63, 3414071), (129, 1667337), (301, 714573), (387, 555779), (903, 238191), (2709, 79397)]