19710351

素因数分解:

$3^3\times {\mathrm{487}}^1\times {\mathrm{1499}}^1$

素因数の和:1995

約数の個数: 16

約数和(自身を含む): 29280000

約数和(自身を除く): 9569649

約数列:

[1, 3, 9, 27, 487, 1461, 1499, 4383, 4497, 13149, 13491, 40473, 730013, 2190039, 6570117, 19710351]

約数ペア:

[(1, 19710351), (3, 6570117), (9, 2190039), (27, 730013), (487, 40473), (1461, 13491), (1499, 13149), (4383, 4497)]