206723907

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4177}}^1$

素因数の和:4249

約数の個数: 40

約数和(自身を含む): 339721536

約数和(自身を除く): 132997629

約数列:

[1, 3, 9, 13, 27, 39, 47, 81, 117, 141, 351, 423, 611, 1053, 1269, 1833, 3807, 4177, 5499, 12531, 16497, 37593, 49491, 54301, 112779, 162903, 196319, 338337, 488709, 588957, 1466127, 1766871, 2552147, 4398381, 5300613, 7656441, 15901839, 22969323, 68907969, 206723907]

約数ペア:

[(1, 206723907), (3, 68907969), (9, 22969323), (13, 15901839), (27, 7656441), (39, 5300613), (47, 4398381), (81, 2552147), (117, 1766871), (141, 1466127), (351, 588957), (423, 488709), (611, 338337), (1053, 196319), (1269, 162903), (1833, 112779), (3807, 54301), (4177, 49491), (5499, 37593), (12531, 16497)]