80432709

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1697}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 128015616

約数和(自身を除く): 47582907

約数列:

[1, 3, 7, 21, 37, 61, 111, 183, 259, 427, 777, 1281, 1697, 2257, 5091, 6771, 11879, 15799, 35637, 47397, 62789, 103517, 188367, 310551, 439523, 724619, 1318569, 2173857, 3830129, 11490387, 26810903, 80432709]

約数ペア:

[(1, 80432709), (3, 26810903), (7, 11490387), (21, 3830129), (37, 2173857), (61, 1318569), (111, 724619), (183, 439523), (259, 310551), (427, 188367), (777, 103517), (1281, 62789), (1697, 47397), (2257, 35637), (5091, 15799), (6771, 11879)]