254726487

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 400308480

約数和(自身を除く): 145581993

約数列:

[1, 3, 9, 17, 51, 71, 131, 153, 179, 213, 393, 537, 639, 1179, 1207, 1611, 2227, 3043, 3621, 6681, 9129, 9301, 10863, 12709, 20043, 23449, 27387, 27903, 38127, 70347, 83709, 114381, 158117, 211041, 216053, 398633, 474351, 648159, 1195899, 1423053, 1664879, 1944477, 3587697, 4994637, 14983911, 28302943, 84908829, 254726487]

約数ペア:

[(1, 254726487), (3, 84908829), (9, 28302943), (17, 14983911), (51, 4994637), (71, 3587697), (131, 1944477), (153, 1664879), (179, 1423053), (213, 1195899), (393, 648159), (537, 474351), (639, 398633), (1179, 216053), (1207, 211041), (1611, 158117), (2227, 114381), (3043, 83709), (3621, 70347), (6681, 38127), (9129, 27903), (9301, 27387), (10863, 23449), (12709, 20043)]