2015409249

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{80177}}^1$

素因数の和:80219

約数の個数: 48

約数和(自身を含む): 3656116800

約数和(自身を除く): 1640707551

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 399, 441, 513, 931, 1197, 1323, 2793, 3591, 8379, 25137, 80177, 240531, 561239, 721593, 1523363, 1683717, 2164779, 3928673, 4570089, 5051151, 10663541, 11786019, 13710267, 15153453, 31990623, 35358057, 41130801, 74644787, 95971869, 106074171, 223934361, 287915607, 671803083, 2015409249]

約数ペア:

[(1, 2015409249), (3, 671803083), (7, 287915607), (9, 223934361), (19, 106074171), (21, 95971869), (27, 74644787), (49, 41130801), (57, 35358057), (63, 31990623), (133, 15153453), (147, 13710267), (171, 11786019), (189, 10663541), (399, 5051151), (441, 4570089), (513, 3928673), (931, 2164779), (1197, 1683717), (1323, 1523363), (2793, 721593), (3591, 561239), (8379, 240531), (25137, 80177)]