8220135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{647}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 16547328

約数和(自身を除く): 8327193

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 165, 231, 363, 385, 605, 647, 847, 1155, 1815, 1941, 2541, 3235, 4235, 4529, 7117, 9705, 12705, 13587, 21351, 22645, 35585, 49819, 67935, 78287, 106755, 149457, 234861, 249095, 391435, 548009, 747285, 1174305, 1644027, 2740045, 8220135]

約数ペア:

[(1, 8220135), (3, 2740045), (5, 1644027), (7, 1174305), (11, 747285), (15, 548009), (21, 391435), (33, 249095), (35, 234861), (55, 149457), (77, 106755), (105, 78287), (121, 67935), (165, 49819), (231, 35585), (363, 22645), (385, 21351), (605, 13587), (647, 12705), (847, 9705), (1155, 7117), (1815, 4529), (1941, 4235), (2541, 3235)]