28429263

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{173}}^1$

素因数の和:260

約数の個数: 36

約数和(自身を含む): 44923320

約数和(自身を除く): 16494057

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 173, 279, 519, 589, 961, 1557, 1767, 2883, 3287, 5301, 5363, 8649, 9861, 16089, 18259, 29583, 48267, 54777, 101897, 164331, 166253, 305691, 498759, 917073, 1496277, 3158807, 9476421, 28429263]

約数ペア:

[(1, 28429263), (3, 9476421), (9, 3158807), (19, 1496277), (31, 917073), (57, 498759), (93, 305691), (171, 166253), (173, 164331), (279, 101897), (519, 54777), (589, 48267), (961, 29583), (1557, 18259), (1767, 16089), (2883, 9861), (3287, 8649), (5301, 5363)]