947748291

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2375309}}^1$

素因数の和:2375338

約数の個数: 16

約数和(自身を含む): 1520198400

約数和(自身を除く): 572450109

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 2375309, 7125927, 16627163, 45130871, 49881489, 135392613, 315916097, 947748291]

約数ペア:

[(1, 947748291), (3, 315916097), (7, 135392613), (19, 49881489), (21, 45130871), (57, 16627163), (133, 7125927), (399, 2375309)]