409660983

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{71233}}^1$

素因数の和:71316

約数の個数: 20

約数和(自身を含む): 620590608

約数和(自身を除く): 210929625

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 71233, 213699, 641097, 1923291, 5057543, 5769873, 15172629, 45517887, 136553661, 409660983]

約数ペア:

[(1, 409660983), (3, 136553661), (9, 45517887), (27, 15172629), (71, 5769873), (81, 5057543), (213, 1923291), (639, 641097), (1917, 213699), (5751, 71233)]