7776405

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 17238144

約数和(自身を除く): 9461739

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 81, 91, 105, 117, 135, 189, 195, 211, 273, 315, 351, 405, 455, 567, 585, 633, 819, 945, 1053, 1055, 1365, 1477, 1755, 1899, 2457, 2743, 2835, 3165, 4095, 4431, 5265, 5697, 7371, 7385, 8229, 9495, 12285, 13293, 13715, 17091, 19201, 22155, 24687, 28485, 36855, 39879, 41145, 57603, 66465, 74061, 85455, 96005, 119637, 123435, 172809, 199395, 222183, 288015, 370305, 518427, 598185, 864045, 1110915, 1555281, 2592135, 7776405]

約数ペア:

[(1, 7776405), (3, 2592135), (5, 1555281), (7, 1110915), (9, 864045), (13, 598185), (15, 518427), (21, 370305), (27, 288015), (35, 222183), (39, 199395), (45, 172809), (63, 123435), (65, 119637), (81, 96005), (91, 85455), (105, 74061), (117, 66465), (135, 57603), (189, 41145), (195, 39879), (211, 36855), (273, 28485), (315, 24687), (351, 22155), (405, 19201), (455, 17091), (567, 13715), (585, 13293), (633, 12285), (819, 9495), (945, 8229), (1053, 7385), (1055, 7371), (1365, 5697), (1477, 5265), (1755, 4431), (1899, 4095), (2457, 3165), (2743, 2835)]