2213183

素因数分解:

$7^2\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 18

約数和(自身を含む): 2716848

約数和(自身を除く): 503665

約数列:

[1, 7, 31, 47, 49, 217, 329, 961, 1457, 1519, 2303, 6727, 10199, 45167, 47089, 71393, 316169, 2213183]

約数ペア:

[(1, 2213183), (7, 316169), (31, 71393), (47, 47089), (49, 45167), (217, 10199), (329, 6727), (961, 2303), (1457, 1519)]