90705987

素因数分解:

$3^4\times {\mathrm{641}}^1\times {\mathrm{1747}}^1$

素因数の和:2400

約数の個数: 20

約数和(自身を含む): 135788136

約数和(自身を除く): 45082149

約数列:

[1, 3, 9, 27, 81, 641, 1747, 1923, 5241, 5769, 15723, 17307, 47169, 51921, 141507, 1119827, 3359481, 10078443, 30235329, 90705987]

約数ペア:

[(1, 90705987), (3, 30235329), (9, 10078443), (27, 3359481), (81, 1119827), (641, 141507), (1747, 51921), (1923, 47169), (5241, 17307), (5769, 15723)]