2159487

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{661}}^1$

素因数の和:692

約数の個数: 24

約数和(自身を含む): 3521840

約数和(自身を除く): 1362353

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 297, 363, 661, 1089, 1983, 3267, 5949, 7271, 17847, 21813, 65439, 79981, 196317, 239943, 719829, 2159487]

約数ペア:

[(1, 2159487), (3, 719829), (9, 239943), (11, 196317), (27, 79981), (33, 65439), (99, 21813), (121, 17847), (297, 7271), (363, 5949), (661, 3267), (1089, 1983)]