28713981

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 41247360

約数和(自身を除く): 12533379

約数列:

[1, 3, 41, 43, 61, 89, 123, 129, 183, 267, 1763, 2501, 2623, 3649, 3827, 5289, 5429, 7503, 7869, 10947, 11481, 16287, 107543, 156907, 222589, 233447, 322629, 470721, 667767, 700341, 9571327, 28713981]

約数ペア:

[(1, 28713981), (3, 9571327), (41, 700341), (43, 667767), (61, 470721), (89, 322629), (123, 233447), (129, 222589), (183, 156907), (267, 107543), (1763, 16287), (2501, 11481), (2623, 10947), (3649, 7869), (3827, 7503), (5289, 5429)]