15259489

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 19549760

約数和(自身を除く): 4290271

約数列:

[1, 7, 17, 19, 119, 133, 289, 323, 397, 2023, 2261, 2779, 5491, 6749, 7543, 38437, 47243, 52801, 114733, 128231, 803131, 897617, 2179927, 15259489]

約数ペア:

[(1, 15259489), (7, 2179927), (17, 897617), (19, 803131), (119, 128231), (133, 114733), (289, 52801), (323, 47243), (397, 38437), (2023, 7543), (2261, 6749), (2779, 5491)]