312505479

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2791}}^1$

素因数の和:2853

約数の個数: 64

約数和(自身を含む): 562867200

約数和(自身を除く): 250361721

約数列:

[1, 3, 9, 11, 13, 27, 29, 33, 39, 87, 99, 117, 143, 261, 297, 319, 351, 377, 429, 783, 957, 1131, 1287, 2791, 2871, 3393, 3861, 4147, 8373, 8613, 10179, 12441, 25119, 30701, 36283, 37323, 75357, 80939, 92103, 108849, 111969, 242817, 276309, 326547, 399113, 728451, 828927, 890329, 979641, 1052207, 1197339, 2185353, 2670987, 3156621, 3592017, 8012961, 9469863, 10776051, 11574277, 24038883, 28409589, 34722831, 104168493, 312505479]

約数ペア:

[(1, 312505479), (3, 104168493), (9, 34722831), (11, 28409589), (13, 24038883), (27, 11574277), (29, 10776051), (33, 9469863), (39, 8012961), (87, 3592017), (99, 3156621), (117, 2670987), (143, 2185353), (261, 1197339), (297, 1052207), (319, 979641), (351, 890329), (377, 828927), (429, 728451), (783, 399113), (957, 326547), (1131, 276309), (1287, 242817), (2791, 111969), (2871, 108849), (3393, 92103), (3861, 80939), (4147, 75357), (8373, 37323), (8613, 36283), (10179, 30701), (12441, 25119)]