28382865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 56125440

約数和(自身を除く): 27742575

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 41, 57, 95, 105, 123, 133, 205, 285, 287, 347, 399, 615, 665, 779, 861, 1041, 1435, 1735, 1995, 2337, 2429, 3895, 4305, 5205, 5453, 6593, 7287, 11685, 12145, 14227, 16359, 19779, 27265, 32965, 36435, 42681, 46151, 71135, 81795, 98895, 99589, 138453, 213405, 230755, 270313, 298767, 497945, 692265, 810939, 1351565, 1493835, 1892191, 4054695, 5676573, 9460955, 28382865]

約数ペア:

[(1, 28382865), (3, 9460955), (5, 5676573), (7, 4054695), (15, 1892191), (19, 1493835), (21, 1351565), (35, 810939), (41, 692265), (57, 497945), (95, 298767), (105, 270313), (123, 230755), (133, 213405), (205, 138453), (285, 99589), (287, 98895), (347, 81795), (399, 71135), (615, 46151), (665, 42681), (779, 36435), (861, 32965), (1041, 27265), (1435, 19779), (1735, 16359), (1995, 14227), (2337, 12145), (2429, 11685), (3895, 7287), (4305, 6593), (5205, 5453)]