2191131

素因数分解:

$3^5\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 3354624

約数和(自身を除く): 1163493

約数列:

[1, 3, 9, 27, 71, 81, 127, 213, 243, 381, 639, 1143, 1917, 3429, 5751, 9017, 10287, 17253, 27051, 30861, 81153, 243459, 730377, 2191131]

約数ペア:

[(1, 2191131), (3, 730377), (9, 243459), (27, 81153), (71, 30861), (81, 27051), (127, 17253), (213, 10287), (243, 9017), (381, 5751), (639, 3429), (1143, 1917)]