80779887

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{23}}^2\times {\mathrm{47}}^1$

素因数の和:137

約数の個数: 54

約数和(自身を含む): 131472432

約数和(自身を除く): 50692545

約数列:

[1, 3, 9, 19, 23, 47, 57, 69, 141, 171, 207, 361, 423, 437, 529, 893, 1081, 1083, 1311, 1587, 2679, 3243, 3249, 3933, 4761, 8037, 8303, 9729, 10051, 16967, 20539, 24863, 24909, 30153, 50901, 61617, 74589, 74727, 90459, 152703, 184851, 190969, 223767, 390241, 472397, 572907, 1170723, 1417191, 1718721, 3512169, 4251573, 8975543, 26926629, 80779887]

約数ペア:

[(1, 80779887), (3, 26926629), (9, 8975543), (19, 4251573), (23, 3512169), (47, 1718721), (57, 1417191), (69, 1170723), (141, 572907), (171, 472397), (207, 390241), (361, 223767), (423, 190969), (437, 184851), (529, 152703), (893, 90459), (1081, 74727), (1083, 74589), (1311, 61617), (1587, 50901), (2679, 30153), (3243, 24909), (3249, 24863), (3933, 20539), (4761, 16967), (8037, 10051), (8303, 9729)]