220838211

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 381542400

約数和(自身を除く): 160704189

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 153, 187, 191, 229, 297, 459, 561, 573, 687, 1683, 1719, 2061, 2101, 2519, 3247, 3893, 5049, 5157, 6183, 6303, 7557, 9741, 11679, 18909, 22671, 29223, 35037, 35717, 42823, 43739, 56727, 68013, 87669, 105111, 107151, 128469, 131217, 321453, 385407, 393651, 481129, 743563, 964359, 1156221, 1180953, 1443387, 2230689, 4330161, 6692067, 8179193, 12990483, 20076201, 24537579, 73612737, 220838211]

約数ペア:

[(1, 220838211), (3, 73612737), (9, 24537579), (11, 20076201), (17, 12990483), (27, 8179193), (33, 6692067), (51, 4330161), (99, 2230689), (153, 1443387), (187, 1180953), (191, 1156221), (229, 964359), (297, 743563), (459, 481129), (561, 393651), (573, 385407), (687, 321453), (1683, 131217), (1719, 128469), (2061, 107151), (2101, 105111), (2519, 87669), (3247, 68013), (3893, 56727), (5049, 43739), (5157, 42823), (6183, 35717), (6303, 35037), (7557, 29223), (9741, 22671), (11679, 18909)]