28016901

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 21749499

約数列:

[1, 3, 9, 11, 17, 27, 31, 33, 51, 93, 99, 153, 179, 187, 279, 297, 341, 459, 527, 537, 561, 837, 1023, 1581, 1611, 1683, 1969, 3043, 3069, 4743, 4833, 5049, 5549, 5797, 5907, 9129, 9207, 14229, 16647, 17391, 17721, 27387, 33473, 49941, 52173, 53163, 61039, 82161, 94333, 100419, 149823, 156519, 183117, 282999, 301257, 549351, 848997, 903771, 1037663, 1648053, 2546991, 3112989, 9338967, 28016901]

約数ペア:

[(1, 28016901), (3, 9338967), (9, 3112989), (11, 2546991), (17, 1648053), (27, 1037663), (31, 903771), (33, 848997), (51, 549351), (93, 301257), (99, 282999), (153, 183117), (179, 156519), (187, 149823), (279, 100419), (297, 94333), (341, 82161), (459, 61039), (527, 53163), (537, 52173), (561, 49941), (837, 33473), (1023, 27387), (1581, 17721), (1611, 17391), (1683, 16647), (1969, 14229), (3043, 9207), (3069, 9129), (4743, 5907), (4833, 5797), (5049, 5549)]