15128001

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2203}}^1$

素因数の和:2325

約数の個数: 24

約数和(自身を含む): 25213760

約数和(自身を除く): 10085759

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2203, 2289, 6609, 6867, 15421, 19827, 46263, 138789, 240127, 720381, 1680889, 2161143, 5042667, 15128001]

約数ペア:

[(1, 15128001), (3, 5042667), (7, 2161143), (9, 1680889), (21, 720381), (63, 240127), (109, 138789), (327, 46263), (763, 19827), (981, 15421), (2203, 6867), (2289, 6609)]