1276401

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 2088480

約数和(自身を除く): 812079

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 457, 931, 1371, 2793, 3199, 8683, 9597, 22393, 26049, 60781, 67179, 182343, 425467, 1276401]

約数ペア:

[(1, 1276401), (3, 425467), (7, 182343), (19, 67179), (21, 60781), (49, 26049), (57, 22393), (133, 9597), (147, 8683), (399, 3199), (457, 2793), (931, 1371)]