1215671319

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{14479}}^1$

素因数の和:14995

約数の個数: 24

約数和(自身を含む): 1852281600

約数和(自身を除く): 636610281

約数列:

[1, 3, 9, 19, 57, 171, 491, 1473, 4419, 9329, 14479, 27987, 43437, 83961, 130311, 275101, 825303, 2475909, 7109189, 21327567, 63982701, 135074591, 405223773, 1215671319]

約数ペア:

[(1, 1215671319), (3, 405223773), (9, 135074591), (19, 63982701), (57, 21327567), (171, 7109189), (491, 2475909), (1473, 825303), (4419, 275101), (9329, 130311), (14479, 83961), (27987, 43437)]