209464815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{5749}}^1$

素因数の和:6111

約数の個数: 32

約数和(自身を含む): 384192000

約数和(自身を除く): 174727185

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 347, 1041, 1735, 2429, 5205, 5749, 7287, 12145, 17247, 28745, 36435, 40243, 86235, 120729, 201215, 603645, 1994903, 5984709, 9974515, 13964321, 29923545, 41892963, 69821605, 209464815]

約数ペア:

[(1, 209464815), (3, 69821605), (5, 41892963), (7, 29923545), (15, 13964321), (21, 9974515), (35, 5984709), (105, 1994903), (347, 603645), (1041, 201215), (1735, 120729), (2429, 86235), (5205, 40243), (5749, 36435), (7287, 28745), (12145, 17247)]