201288521

素因数分解:

$7^3\times {\mathrm{73}}^1\times {\mathrm{8039}}^1$

素因数の和:8133

約数の個数: 16

約数和(自身を含む): 237984000

約数和(自身を除く): 36695479

約数列:

[1, 7, 49, 73, 343, 511, 3577, 8039, 25039, 56273, 393911, 586847, 2757377, 4107929, 28755503, 201288521]

約数ペア:

[(1, 201288521), (7, 28755503), (49, 4107929), (73, 2757377), (343, 586847), (511, 393911), (3577, 56273), (8039, 25039)]