31139427

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1181}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 49019904

約数和(自身を除く): 17880477

約数列:

[1, 3, 11, 17, 33, 47, 51, 141, 187, 517, 561, 799, 1181, 1551, 2397, 3543, 8789, 12991, 20077, 26367, 38973, 55507, 60231, 166521, 220847, 610577, 662541, 943619, 1831731, 2830857, 10379809, 31139427]

約数ペア:

[(1, 31139427), (3, 10379809), (11, 2830857), (17, 1831731), (33, 943619), (47, 662541), (51, 610577), (141, 220847), (187, 166521), (517, 60231), (561, 55507), (799, 38973), (1181, 26367), (1551, 20077), (2397, 12991), (3543, 8789)]