56540997

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{13687}}^1$

素因数の和:13719

約数の個数: 24

約数和(自身を含む): 89683776

約数和(自身を除く): 33142779

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 13687, 41061, 123183, 232679, 369549, 698037, 1108647, 2094111, 3325941, 6282333, 18846999, 56540997]

約数ペア:

[(1, 56540997), (3, 18846999), (9, 6282333), (17, 3325941), (27, 2094111), (51, 1108647), (81, 698037), (153, 369549), (243, 232679), (459, 123183), (1377, 41061), (4131, 13687)]