20154231

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2311}}^1$

素因数の和:2356

約数の個数: 32

約数和(自身を含む): 33292800

約数和(自身を除く): 13138569

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 323, 459, 513, 969, 2311, 2907, 6933, 8721, 20799, 39287, 43909, 62397, 117861, 131727, 353583, 395181, 746453, 1060749, 1185543, 2239359, 6718077, 20154231]

約数ペア:

[(1, 20154231), (3, 6718077), (9, 2239359), (17, 1185543), (19, 1060749), (27, 746453), (51, 395181), (57, 353583), (153, 131727), (171, 117861), (323, 62397), (459, 43909), (513, 39287), (969, 20799), (2311, 8721), (2907, 6933)]