2148531

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 3649536

約数和(自身を除く): 1501005

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 131, 213, 231, 393, 497, 781, 917, 1441, 1491, 2343, 2751, 4323, 5467, 9301, 10087, 16401, 27903, 30261, 65107, 102311, 195321, 306933, 716177, 2148531]

約数ペア:

[(1, 2148531), (3, 716177), (7, 306933), (11, 195321), (21, 102311), (33, 65107), (71, 30261), (77, 27903), (131, 16401), (213, 10087), (231, 9301), (393, 5467), (497, 4323), (781, 2751), (917, 2343), (1441, 1491)]