16416855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 37040640

約数和(自身を除く): 20623785

約数列:

[1, 3, 5, 7, 9, 13, 15, 19, 21, 35, 39, 45, 57, 63, 65, 91, 95, 105, 117, 133, 171, 195, 211, 247, 273, 285, 315, 399, 455, 585, 633, 665, 741, 819, 855, 1055, 1197, 1235, 1365, 1477, 1729, 1899, 1995, 2223, 2743, 3165, 3705, 4009, 4095, 4431, 5187, 5985, 7385, 8229, 8645, 9495, 11115, 12027, 13293, 13715, 15561, 19201, 20045, 22155, 24687, 25935, 28063, 36081, 41145, 52117, 57603, 60135, 66465, 77805, 84189, 96005, 123435, 140315, 156351, 172809, 180405, 252567, 260585, 288015, 364819, 420945, 469053, 781755, 864045, 1094457, 1262835, 1824095, 2345265, 3283371, 5472285, 16416855]

約数ペア:

[(1, 16416855), (3, 5472285), (5, 3283371), (7, 2345265), (9, 1824095), (13, 1262835), (15, 1094457), (19, 864045), (21, 781755), (35, 469053), (39, 420945), (45, 364819), (57, 288015), (63, 260585), (65, 252567), (91, 180405), (95, 172809), (105, 156351), (117, 140315), (133, 123435), (171, 96005), (195, 84189), (211, 77805), (247, 66465), (273, 60135), (285, 57603), (315, 52117), (399, 41145), (455, 36081), (585, 28063), (633, 25935), (665, 24687), (741, 22155), (819, 20045), (855, 19201), (1055, 15561), (1197, 13715), (1235, 13293), (1365, 12027), (1477, 11115), (1729, 9495), (1899, 8645), (1995, 8229), (2223, 7385), (2743, 5985), (3165, 5187), (3705, 4431), (4009, 4095)]