2051207991

素因数分解:

$3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{117541}}^1$

素因数の和:117831

約数の個数: 24

約数和(自身を含む): 3398374304

約数和(自身を除く): 1347166313

約数列:

[1, 3, 7, 9, 21, 63, 277, 831, 1939, 2493, 5817, 17451, 117541, 352623, 822787, 1057869, 2468361, 7405083, 32558857, 97676571, 227911999, 293029713, 683735997, 2051207991]

約数ペア:

[(1, 2051207991), (3, 683735997), (7, 293029713), (9, 227911999), (21, 97676571), (63, 32558857), (277, 7405083), (831, 2468361), (1939, 1057869), (2493, 822787), (5817, 352623), (17451, 117541)]