16988283

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 28304640

約数和(自身を除く): 11316357

約数列:

[1, 3, 9, 13, 23, 39, 59, 69, 107, 117, 177, 207, 299, 321, 531, 767, 897, 963, 1357, 1391, 2301, 2461, 2691, 4071, 4173, 6313, 6903, 7383, 12213, 12519, 17641, 18939, 22149, 31993, 52923, 56817, 82069, 95979, 145199, 158769, 246207, 287937, 435597, 738621, 1306791, 1887587, 5662761, 16988283]

約数ペア:

[(1, 16988283), (3, 5662761), (9, 1887587), (13, 1306791), (23, 738621), (39, 435597), (59, 287937), (69, 246207), (107, 158769), (117, 145199), (177, 95979), (207, 82069), (299, 56817), (321, 52923), (531, 31993), (767, 22149), (897, 18939), (963, 17641), (1357, 12519), (1391, 12213), (2301, 7383), (2461, 6903), (2691, 6313), (4071, 4173)]