16509717

素因数分解:

$3^3\times 7^2\times {\mathrm{12479}}^1$

素因数の和:12502

約数の個数: 24

約数和(自身を含む): 28454400

約数和(自身を除く): 11944683

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 12479, 37437, 87353, 112311, 262059, 336933, 611471, 786177, 1834413, 2358531, 5503239, 16509717]

約数ペア:

[(1, 16509717), (3, 5503239), (7, 2358531), (9, 1834413), (21, 786177), (27, 611471), (49, 336933), (63, 262059), (147, 112311), (189, 87353), (441, 37437), (1323, 12479)]