8220771

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:273

約数の個数: 40

約数和(自身を含む): 13646864

約数和(自身を除く): 5426093

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 211, 333, 351, 481, 633, 999, 1053, 1443, 1899, 2743, 2997, 4329, 5697, 7807, 8229, 12987, 17091, 23421, 24687, 38961, 70263, 74061, 101491, 210789, 222183, 304473, 632367, 913419, 2740257, 8220771]

約数ペア:

[(1, 8220771), (3, 2740257), (9, 913419), (13, 632367), (27, 304473), (37, 222183), (39, 210789), (81, 101491), (111, 74061), (117, 70263), (211, 38961), (333, 24687), (351, 23421), (481, 17091), (633, 12987), (999, 8229), (1053, 7807), (1443, 5697), (1899, 4329), (2743, 2997)]