208184445

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{220301}}^1$

素因数の和:220322

約数の個数: 32

約数和(自身を含む): 422979840

約数和(自身を除く): 214795395

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 220301, 660903, 1101505, 1542107, 1982709, 3304515, 4626321, 5948127, 7710535, 9913545, 13878963, 23131605, 29740635, 41636889, 69394815, 208184445]

約数ペア:

[(1, 208184445), (3, 69394815), (5, 41636889), (7, 29740635), (9, 23131605), (15, 13878963), (21, 9913545), (27, 7710535), (35, 5948127), (45, 4626321), (63, 3304515), (105, 1982709), (135, 1542107), (189, 1101505), (315, 660903), (945, 220301)]