208753335

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{220903}}^1$

素因数の和:220924

約数の個数: 32

約数和(自身を含む): 424135680

約数和(自身を除く): 215382345

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 220903, 662709, 1104515, 1546321, 1988127, 3313545, 4638963, 5964381, 7731605, 9940635, 13916889, 23194815, 29821905, 41750667, 69584445, 208753335]

約数ペア:

[(1, 208753335), (3, 69584445), (5, 41750667), (7, 29821905), (9, 23194815), (15, 13916889), (21, 9940635), (27, 7731605), (35, 5964381), (45, 4638963), (63, 3313545), (105, 1988127), (135, 1546321), (189, 1104515), (315, 662709), (945, 220903)]