81103218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{18047}}^1$

素因数の和:18166

約数の個数: 32

約数和(自身を含む): 187121664

約数和(自身を除く): 106018446

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 214, 321, 642, 749, 1498, 2247, 4494, 18047, 36094, 54141, 108282, 126329, 252658, 378987, 757974, 1931029, 3862058, 5793087, 11586174, 13517203, 27034406, 40551609, 81103218]

約数ペア:

[(1, 81103218), (2, 40551609), (3, 27034406), (6, 13517203), (7, 11586174), (14, 5793087), (21, 3862058), (42, 1931029), (107, 757974), (214, 378987), (321, 252658), (642, 126329), (749, 108282), (1498, 54141), (2247, 36094), (4494, 18047)]