16974369

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 25362792

約数和(自身を除く): 8388423

約数列:

[1, 3, 9, 41, 123, 157, 293, 369, 471, 879, 1413, 2637, 6437, 12013, 19311, 36039, 46001, 57933, 108117, 138003, 414009, 1886041, 5658123, 16974369]

約数ペア:

[(1, 16974369), (3, 5658123), (9, 1886041), (41, 414009), (123, 138003), (157, 108117), (293, 57933), (369, 46001), (471, 36039), (879, 19311), (1413, 12013), (2637, 6437)]