31001217

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 21253503

約数列:

[1, 3, 13, 17, 19, 23, 39, 51, 57, 69, 107, 221, 247, 299, 321, 323, 391, 437, 663, 741, 897, 969, 1173, 1311, 1391, 1819, 2033, 2461, 4173, 4199, 5083, 5457, 5681, 6099, 7383, 7429, 12597, 15249, 17043, 22287, 23647, 26429, 31993, 34561, 41837, 46759, 70941, 79287, 95979, 96577, 103683, 125511, 140277, 289731, 449293, 543881, 607867, 794903, 1347879, 1631643, 1823601, 2384709, 10333739, 31001217]

約数ペア:

[(1, 31001217), (3, 10333739), (13, 2384709), (17, 1823601), (19, 1631643), (23, 1347879), (39, 794903), (51, 607867), (57, 543881), (69, 449293), (107, 289731), (221, 140277), (247, 125511), (299, 103683), (321, 96577), (323, 95979), (391, 79287), (437, 70941), (663, 46759), (741, 41837), (897, 34561), (969, 31993), (1173, 26429), (1311, 23647), (1391, 22287), (1819, 17043), (2033, 15249), (2461, 12597), (4173, 7429), (4199, 7383), (5083, 6099), (5457, 5681)]