208857159

素因数分解:

$3^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{2333}}^1$

素因数の和:2389

約数の個数: 48

約数和(自身を含む): 364104000

約数和(自身を除く): 155246841

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 343, 441, 609, 1029, 1421, 1827, 2333, 3087, 4263, 6999, 9947, 12789, 16331, 20997, 29841, 48993, 67657, 89523, 114317, 146979, 202971, 342951, 473599, 608913, 800219, 1028853, 1420797, 2400657, 3315193, 4262391, 7201971, 9945579, 23206351, 29836737, 69619053, 208857159]

約数ペア:

[(1, 208857159), (3, 69619053), (7, 29836737), (9, 23206351), (21, 9945579), (29, 7201971), (49, 4262391), (63, 3315193), (87, 2400657), (147, 1420797), (203, 1028853), (261, 800219), (343, 608913), (441, 473599), (609, 342951), (1029, 202971), (1421, 146979), (1827, 114317), (2333, 89523), (3087, 67657), (4263, 48993), (6999, 29841), (9947, 20997), (12789, 16331)]