251017359

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3947}}^1$

素因数の和:4039

約数の個数: 32

約数和(自身を含む): 375217920

約数和(自身を除く): 124200561

約数列:

[1, 3, 17, 29, 43, 51, 87, 129, 493, 731, 1247, 1479, 2193, 3741, 3947, 11841, 21199, 63597, 67099, 114463, 169721, 201297, 343389, 509163, 1945871, 2885257, 4921909, 5837613, 8655771, 14765727, 83672453, 251017359]

約数ペア:

[(1, 251017359), (3, 83672453), (17, 14765727), (29, 8655771), (43, 5837613), (51, 4921909), (87, 2885257), (129, 1945871), (493, 509163), (731, 343389), (1247, 201297), (1479, 169721), (2193, 114463), (3741, 67099), (3947, 63597), (11841, 21199)]