16520751

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{419}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 25836720

約数和(自身を除く): 9315969

約数列:

[1, 3, 9, 13, 39, 117, 337, 419, 1011, 1257, 3033, 3771, 4381, 5447, 13143, 16341, 39429, 49023, 141203, 423609, 1270827, 1835639, 5506917, 16520751]

約数ペア:

[(1, 16520751), (3, 5506917), (9, 1835639), (13, 1270827), (39, 423609), (117, 141203), (337, 49023), (419, 39429), (1011, 16341), (1257, 13143), (3033, 5447), (3771, 4381)]