16819947

素因数分解:

$3^3\times {\mathrm{571}}^1\times {\mathrm{1091}}^1$

素因数の和:1671

約数の個数: 16

約数和(自身を含む): 24984960

約数和(自身を除く): 8165013

約数列:

[1, 3, 9, 27, 571, 1091, 1713, 3273, 5139, 9819, 15417, 29457, 622961, 1868883, 5606649, 16819947]

約数ペア:

[(1, 16819947), (3, 5606649), (9, 1868883), (27, 622961), (571, 29457), (1091, 15417), (1713, 9819), (3273, 5139)]