81473538

素因数分解:

$2^1\times 3^1\times {\mathrm{661}}^1\times {\mathrm{20543}}^1$

素因数の和:21209

約数の個数: 16

約数和(自身を含む): 163201536

約数和(自身を除く): 81727998

約数列:

[1, 2, 3, 6, 661, 1322, 1983, 3966, 20543, 41086, 61629, 123258, 13578923, 27157846, 40736769, 81473538]

約数ペア:

[(1, 81473538), (2, 40736769), (3, 27157846), (6, 13578923), (661, 123258), (1322, 61629), (1983, 41086), (3966, 20543)]