51242139

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{5407}}^1$

素因数の和:5438

約数の個数: 28

約数和(自身を含む): 82753216

約数和(自身を除く): 31511077

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 3159, 5407, 9477, 16221, 48663, 70291, 145989, 210873, 437967, 632619, 1313901, 1897857, 3941703, 5693571, 17080713, 51242139]

約数ペア:

[(1, 51242139), (3, 17080713), (9, 5693571), (13, 3941703), (27, 1897857), (39, 1313901), (81, 632619), (117, 437967), (243, 210873), (351, 145989), (729, 70291), (1053, 48663), (3159, 16221), (5407, 9477)]