7438149

素因数分解:

$3^4\times {\mathrm{229}}^1\times {\mathrm{401}}^1$

素因数の和:642

約数の個数: 20

約数和(自身を含む): 11187660

約数和(自身を除く): 3749511

約数列:

[1, 3, 9, 27, 81, 229, 401, 687, 1203, 2061, 3609, 6183, 10827, 18549, 32481, 91829, 275487, 826461, 2479383, 7438149]

約数ペア:

[(1, 7438149), (3, 2479383), (9, 826461), (27, 275487), (81, 91829), (229, 32481), (401, 18549), (687, 10827), (1203, 6183), (2061, 3609)]