1275777489

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{197887}}^1$

素因数の和:198204

約数の個数: 16

約数和(自身を含む): 1950384128

約数和(自身を除く): 674606639

約数列:

[1, 3, 7, 21, 307, 921, 2149, 6447, 197887, 593661, 1385209, 4155627, 60751309, 182253927, 425259163, 1275777489]

約数ペア:

[(1, 1275777489), (3, 425259163), (7, 182253927), (21, 60751309), (307, 4155627), (921, 1385209), (2149, 593661), (6447, 197887)]