1921383

素因数分解:

$3^2\times {\mathrm{41}}^2\times {\mathrm{127}}^1$

素因数の和:215

約数の個数: 18

約数和(自身を含む): 2867072

約数和(自身を除く): 945689

約数列:

[1, 3, 9, 41, 123, 127, 369, 381, 1143, 1681, 5043, 5207, 15129, 15621, 46863, 213487, 640461, 1921383]

約数ペア:

[(1, 1921383), (3, 640461), (9, 213487), (41, 46863), (123, 15621), (127, 15129), (369, 5207), (381, 5043), (1143, 1681)]