16831899

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^2$

素因数の和:208

約数の個数: 36

約数和(自身を含む): 28714608

約数和(自身を除く): 11882709

約数列:

[1, 3, 7, 9, 21, 53, 63, 71, 159, 213, 371, 477, 497, 639, 1113, 1491, 3339, 3763, 4473, 5041, 11289, 15123, 26341, 33867, 35287, 45369, 79023, 105861, 237069, 267173, 317583, 801519, 1870211, 2404557, 5610633, 16831899]

約数ペア:

[(1, 16831899), (3, 5610633), (7, 2404557), (9, 1870211), (21, 801519), (53, 317583), (63, 267173), (71, 237069), (159, 105861), (213, 79023), (371, 45369), (477, 35287), (497, 33867), (639, 26341), (1113, 15123), (1491, 11289), (3339, 5041), (3763, 4473)]