16985673

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{4007}}^1$

素因数の和:4173

約数の個数: 16

約数和(自身を含む): 25330560

約数和(自身を除く): 8344887

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4007, 4239, 12021, 36063, 108189, 629099, 1887297, 5661891, 16985673]

約数ペア:

[(1, 16985673), (3, 5661891), (9, 1887297), (27, 629099), (157, 108189), (471, 36063), (1413, 12021), (4007, 4239)]