8978013

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:119

約数の個数: 64

約数和(自身を含む): 16051200

約数和(自身を除く): 7073187

約数列:

[1, 3, 9, 11, 19, 27, 33, 37, 43, 57, 99, 111, 129, 171, 209, 297, 333, 387, 407, 473, 513, 627, 703, 817, 999, 1161, 1221, 1419, 1591, 1881, 2109, 2451, 3663, 4257, 4773, 5643, 6327, 7353, 7733, 8987, 10989, 12771, 14319, 17501, 18981, 22059, 23199, 26961, 30229, 42957, 52503, 69597, 80883, 90687, 157509, 208791, 242649, 272061, 332519, 472527, 816183, 997557, 2992671, 8978013]

約数ペア:

[(1, 8978013), (3, 2992671), (9, 997557), (11, 816183), (19, 472527), (27, 332519), (33, 272061), (37, 242649), (43, 208791), (57, 157509), (99, 90687), (111, 80883), (129, 69597), (171, 52503), (209, 42957), (297, 30229), (333, 26961), (387, 23199), (407, 22059), (473, 18981), (513, 17501), (627, 14319), (703, 12771), (817, 10989), (999, 8987), (1161, 7733), (1221, 7353), (1419, 6327), (1591, 5643), (1881, 4773), (2109, 4257), (2451, 3663)]