2178712881

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{2207}}^1$

素因数の和:2506

約数の個数: 48

約数和(自身を含む): 3472035840

約数和(自身を除く): 1293322959

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 251, 437, 753, 1311, 2207, 2259, 3933, 4769, 5773, 6621, 14307, 17319, 19863, 41933, 42921, 50761, 51957, 109687, 125799, 152283, 329061, 377397, 456849, 553957, 964459, 987183, 1661871, 2893377, 4985613, 8680131, 10525183, 12741011, 31575549, 38223033, 94726647, 114669099, 242079209, 726237627, 2178712881]

約数ペア:

[(1, 2178712881), (3, 726237627), (9, 242079209), (19, 114669099), (23, 94726647), (57, 38223033), (69, 31575549), (171, 12741011), (207, 10525183), (251, 8680131), (437, 4985613), (753, 2893377), (1311, 1661871), (2207, 987183), (2259, 964459), (3933, 553957), (4769, 456849), (5773, 377397), (6621, 329061), (14307, 152283), (17319, 125799), (19863, 109687), (41933, 51957), (42921, 50761)]