51506889

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{20611}}^1$

素因数の和:20645

約数の個数: 24

約数和(自身を含む): 84591648

約数和(自身を除く): 33084759

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 20611, 61833, 144277, 350387, 432831, 1009939, 1051161, 2452709, 3029817, 7358127, 17168963, 51506889]

約数ペア:

[(1, 51506889), (3, 17168963), (7, 7358127), (17, 3029817), (21, 2452709), (49, 1051161), (51, 1009939), (119, 432831), (147, 350387), (357, 144277), (833, 61833), (2499, 20611)]