15897091

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 20736000

約数和(自身を除く): 4838909

約数列:

[1, 7, 17, 19, 79, 89, 119, 133, 323, 553, 623, 1343, 1501, 1513, 1691, 2261, 7031, 9401, 10507, 10591, 11837, 25517, 28747, 49217, 119527, 133589, 178619, 201229, 836689, 935123, 2271013, 15897091]

約数ペア:

[(1, 15897091), (7, 2271013), (17, 935123), (19, 836689), (79, 201229), (89, 178619), (119, 133589), (133, 119527), (323, 49217), (553, 28747), (623, 25517), (1343, 11837), (1501, 10591), (1513, 10507), (1691, 9401), (2261, 7031)]