27649395

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{769}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 24242445

約数列:

[1, 3, 5, 9, 15, 17, 45, 47, 51, 85, 141, 153, 235, 255, 423, 705, 765, 769, 799, 2115, 2307, 2397, 3845, 3995, 6921, 7191, 11535, 11985, 13073, 34605, 35955, 36143, 39219, 65365, 108429, 117657, 180715, 196095, 325287, 542145, 588285, 614431, 1626435, 1843293, 3072155, 5529879, 9216465, 27649395]

約数ペア:

[(1, 27649395), (3, 9216465), (5, 5529879), (9, 3072155), (15, 1843293), (17, 1626435), (45, 614431), (47, 588285), (51, 542145), (85, 325287), (141, 196095), (153, 180715), (235, 117657), (255, 108429), (423, 65365), (705, 39219), (765, 36143), (769, 35955), (799, 34605), (2115, 13073), (2307, 11985), (2397, 11535), (3845, 7191), (3995, 6921)]