81218991

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{94331}}^1$

素因数の和:94382

約数の個数: 16

約数和(自身を含む): 126782208

約数和(自身を除く): 45563217

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 94331, 282993, 660317, 1980951, 3867571, 11602713, 27072997, 81218991]

約数ペア:

[(1, 81218991), (3, 27072997), (7, 11602713), (21, 3867571), (41, 1980951), (123, 660317), (287, 282993), (861, 94331)]