211055775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5507}}^1$

素因数の和:5600

約数の個数: 48

約数和(自身を含む): 404331264

約数和(自身を除く): 193275489

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 73, 75, 105, 175, 219, 365, 511, 525, 1095, 1533, 1825, 2555, 5475, 5507, 7665, 12775, 16521, 27535, 38325, 38549, 82605, 115647, 137675, 192745, 402011, 413025, 578235, 963725, 1206033, 2010055, 2814077, 2891175, 6030165, 8442231, 10050275, 14070385, 30150825, 42211155, 70351925, 211055775]

約数ペア:

[(1, 211055775), (3, 70351925), (5, 42211155), (7, 30150825), (15, 14070385), (21, 10050275), (25, 8442231), (35, 6030165), (73, 2891175), (75, 2814077), (105, 2010055), (175, 1206033), (219, 963725), (365, 578235), (511, 413025), (525, 402011), (1095, 192745), (1533, 137675), (1825, 115647), (2555, 82605), (5475, 38549), (5507, 38325), (7665, 27535), (12775, 16521)]