20140551

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{6199}}^1$

素因数の和:6243

約数の個数: 18

約数和(自身を含む): 30708600

約数和(自身を除く): 10568049

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 6199, 18597, 55791, 117781, 353343, 1060029, 2237839, 6713517, 20140551]

約数ペア:

[(1, 20140551), (3, 6713517), (9, 2237839), (19, 1060029), (57, 353343), (171, 117781), (361, 55791), (1083, 18597), (3249, 6199)]