1280517

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 2057472

約数和(自身を除く): 776955

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 281, 651, 843, 1519, 1967, 4557, 5901, 8711, 13769, 26133, 41307, 60977, 182931, 426839, 1280517]

約数ペア:

[(1, 1280517), (3, 426839), (7, 182931), (21, 60977), (31, 41307), (49, 26133), (93, 13769), (147, 8711), (217, 5901), (281, 4557), (651, 1967), (843, 1519)]