16820973

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2819}}^1$

素因数の和:2858

約数の個数: 32

約数和(自身を含む): 28425600

約数和(自身を除く): 11604627

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 2819, 5967, 8457, 25371, 36647, 47923, 76113, 109941, 143769, 329823, 431307, 622999, 989469, 1293921, 1868997, 5606991, 16820973]

約数ペア:

[(1, 16820973), (3, 5606991), (9, 1868997), (13, 1293921), (17, 989469), (27, 622999), (39, 431307), (51, 329823), (117, 143769), (153, 109941), (221, 76113), (351, 47923), (459, 36647), (663, 25371), (1989, 8457), (2819, 5967)]