27705237

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 45581760

約数和(自身を除く): 17876523

約数列:

[1, 3, 7, 21, 29, 49, 67, 87, 97, 147, 201, 203, 291, 469, 609, 679, 1407, 1421, 1943, 2037, 2813, 3283, 4263, 4753, 5829, 6499, 8439, 9849, 13601, 14259, 19497, 19691, 40803, 45493, 59073, 95207, 136479, 137837, 188471, 285621, 318451, 413511, 565413, 955353, 1319297, 3957891, 9235079, 27705237]

約数ペア:

[(1, 27705237), (3, 9235079), (7, 3957891), (21, 1319297), (29, 955353), (49, 565413), (67, 413511), (87, 318451), (97, 285621), (147, 188471), (201, 137837), (203, 136479), (291, 95207), (469, 59073), (609, 45493), (679, 40803), (1407, 19691), (1421, 19497), (1943, 14259), (2037, 13601), (2813, 9849), (3283, 8439), (4263, 6499), (4753, 5829)]