161777889

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3727}}^1$

素因数の和:3806

約数の個数: 48

約数和(自身を含む): 293110272

約数和(自身を除く): 131332383

約数列:

[1, 3, 7, 9, 13, 21, 39, 53, 63, 91, 117, 159, 273, 371, 477, 689, 819, 1113, 2067, 3339, 3727, 4823, 6201, 11181, 14469, 26089, 33543, 43407, 48451, 78267, 145353, 197531, 234801, 339157, 436059, 592593, 1017471, 1382717, 1777779, 2567903, 3052413, 4148151, 7703709, 12444453, 17975321, 23111127, 53925963, 161777889]

約数ペア:

[(1, 161777889), (3, 53925963), (7, 23111127), (9, 17975321), (13, 12444453), (21, 7703709), (39, 4148151), (53, 3052413), (63, 2567903), (91, 1777779), (117, 1382717), (159, 1017471), (273, 592593), (371, 436059), (477, 339157), (689, 234801), (819, 197531), (1113, 145353), (2067, 78267), (3339, 48451), (3727, 43407), (4823, 33543), (6201, 26089), (11181, 14469)]