18677001

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 29491200

約数和(自身を除く): 10814199

約数列:

[1, 3, 7, 21, 47, 127, 141, 149, 329, 381, 447, 889, 987, 1043, 2667, 3129, 5969, 7003, 17907, 18923, 21009, 41783, 49021, 56769, 125349, 132461, 147063, 397383, 889381, 2668143, 6225667, 18677001]

約数ペア:

[(1, 18677001), (3, 6225667), (7, 2668143), (21, 889381), (47, 397383), (127, 147063), (141, 132461), (149, 125349), (329, 56769), (381, 49021), (447, 41783), (889, 21009), (987, 18923), (1043, 17907), (2667, 7003), (3129, 5969)]