16872417

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 25169768

約数和(自身を除く): 8297351

約数列:

[1, 3, 9, 61, 73, 183, 219, 421, 549, 657, 1263, 3789, 4453, 13359, 25681, 30733, 40077, 77043, 92199, 231129, 276597, 1874713, 5624139, 16872417]

約数ペア:

[(1, 16872417), (3, 5624139), (9, 1874713), (61, 276597), (73, 231129), (183, 92199), (219, 77043), (421, 40077), (549, 30733), (657, 25681), (1263, 13359), (3789, 4453)]