730377

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 20

約数和(自身を含む): 1115136

約数和(自身を除く): 384759

約数列:

[1, 3, 9, 27, 71, 81, 127, 213, 381, 639, 1143, 1917, 3429, 5751, 9017, 10287, 27051, 81153, 243459, 730377]

約数ペア:

[(1, 730377), (3, 243459), (9, 81153), (27, 27051), (71, 10287), (81, 9017), (127, 5751), (213, 3429), (381, 1917), (639, 1143)]