259560981

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{32009}}^1$

素因数の和:32085

約数の個数: 24

約数和(自身を含む): 404478360

約数和(自身を除く): 144917379

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 477, 901, 2703, 8109, 32009, 96027, 288081, 544153, 1632459, 1696477, 4897377, 5089431, 15268293, 28840109, 86520327, 259560981]

約数ペア:

[(1, 259560981), (3, 86520327), (9, 28840109), (17, 15268293), (51, 5089431), (53, 4897377), (153, 1696477), (159, 1632459), (477, 544153), (901, 288081), (2703, 96027), (8109, 32009)]