17972493

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{643}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 30170112

約数和(自身を除く): 12197619

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 643, 847, 1331, 1929, 2541, 3993, 4501, 7073, 9317, 13503, 21219, 27951, 49511, 77803, 148533, 233409, 544621, 855833, 1633863, 2567499, 5990831, 17972493]

約数ペア:

[(1, 17972493), (3, 5990831), (7, 2567499), (11, 1633863), (21, 855833), (33, 544621), (77, 233409), (121, 148533), (231, 77803), (363, 49511), (643, 27951), (847, 21219), (1331, 13503), (1929, 9317), (2541, 7073), (3993, 4501)]