6720945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^2$

素因数の和:83

約数の個数: 72

約数和(自身を含む): 14121408

約数和(自身を除く): 7400463

約数列:

[1, 3, 5, 7, 11, 15, 21, 23, 33, 35, 55, 69, 77, 105, 115, 121, 161, 165, 231, 253, 345, 363, 385, 483, 529, 605, 759, 805, 847, 1155, 1265, 1587, 1771, 1815, 2415, 2541, 2645, 2783, 3703, 3795, 4235, 5313, 5819, 7935, 8349, 8855, 11109, 12705, 13915, 17457, 18515, 19481, 26565, 29095, 40733, 41745, 55545, 58443, 64009, 87285, 97405, 122199, 192027, 203665, 292215, 320045, 448063, 610995, 960135, 1344189, 2240315, 6720945]

約数ペア:

[(1, 6720945), (3, 2240315), (5, 1344189), (7, 960135), (11, 610995), (15, 448063), (21, 320045), (23, 292215), (33, 203665), (35, 192027), (55, 122199), (69, 97405), (77, 87285), (105, 64009), (115, 58443), (121, 55545), (161, 41745), (165, 40733), (231, 29095), (253, 26565), (345, 19481), (363, 18515), (385, 17457), (483, 13915), (529, 12705), (605, 11109), (759, 8855), (805, 8349), (847, 7935), (1155, 5819), (1265, 5313), (1587, 4235), (1771, 3795), (1815, 3703), (2415, 2783), (2541, 2645)]