16986447

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 25272000

約数和(自身を除く): 8285553

約数列:

[1, 3, 9, 53, 149, 159, 239, 447, 477, 717, 1341, 2151, 7897, 12667, 23691, 35611, 38001, 71073, 106833, 114003, 320499, 1887383, 5662149, 16986447]

約数ペア:

[(1, 16986447), (3, 5662149), (9, 1887383), (53, 320499), (149, 114003), (159, 106833), (239, 71073), (447, 38001), (477, 35611), (717, 23691), (1341, 12667), (2151, 7897)]