210005565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1051}}^1$

素因数の和:1250

約数の個数: 64

約数和(自身を含む): 421742592

約数和(自身を除く): 211737027

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 173, 231, 385, 519, 865, 1051, 1155, 1211, 1903, 2595, 3153, 3633, 5255, 5709, 6055, 7357, 9515, 11561, 13321, 15765, 18165, 22071, 28545, 34683, 36785, 39963, 57805, 66605, 80927, 110355, 173415, 181823, 199815, 242781, 404635, 545469, 909115, 1213905, 1272761, 2000053, 2727345, 3818283, 6000159, 6363805, 10000265, 14000371, 19091415, 30000795, 42001113, 70001855, 210005565]

約数ペア:

[(1, 210005565), (3, 70001855), (5, 42001113), (7, 30000795), (11, 19091415), (15, 14000371), (21, 10000265), (33, 6363805), (35, 6000159), (55, 3818283), (77, 2727345), (105, 2000053), (165, 1272761), (173, 1213905), (231, 909115), (385, 545469), (519, 404635), (865, 242781), (1051, 199815), (1155, 181823), (1211, 173415), (1903, 110355), (2595, 80927), (3153, 66605), (3633, 57805), (5255, 39963), (5709, 36785), (6055, 34683), (7357, 28545), (9515, 22071), (11561, 18165), (13321, 15765)]