128876703

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{5521}}^1$

素因数の和:5806

約数の個数: 16

約数和(自身を含む): 178117632

約数和(自身を除く): 49240929

約数列:

[1, 3, 31, 93, 251, 753, 5521, 7781, 16563, 23343, 171151, 513453, 1385771, 4157313, 42958901, 128876703]

約数ペア:

[(1, 128876703), (3, 42958901), (31, 4157313), (93, 1385771), (251, 513453), (753, 171151), (5521, 23343), (7781, 16563)]