215575983

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{41227}}^1$

素因数の和:41323

約数の個数: 24

約数和(自身を含む): 360167808

約数和(自身を除く): 144591825

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 5229, 41227, 123681, 288589, 371043, 865767, 2597301, 3421841, 10265523, 23952887, 30796569, 71858661, 215575983]

約数ペア:

[(1, 215575983), (3, 71858661), (7, 30796569), (9, 23952887), (21, 10265523), (63, 3421841), (83, 2597301), (249, 865767), (581, 371043), (747, 288589), (1743, 123681), (5229, 41227)]