1321029

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:406

約数の個数: 20

約数和(自身を含む): 2021184

約数和(自身を除く): 700155

約数列:

[1, 3, 9, 27, 47, 81, 141, 347, 423, 1041, 1269, 3123, 3807, 9369, 16309, 28107, 48927, 146781, 440343, 1321029]

約数ペア:

[(1, 1321029), (3, 440343), (9, 146781), (27, 48927), (47, 28107), (81, 16309), (141, 9369), (347, 3807), (423, 3123), (1041, 1269)]