18162711

素因数分解:

$3^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:433

約数の個数: 40

約数和(自身を含む): 31409664

約数和(自身を除く): 13246953

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 103, 189, 309, 311, 567, 721, 927, 933, 2163, 2177, 2781, 2799, 6489, 6531, 8343, 8397, 19467, 19593, 25191, 32033, 58401, 58779, 96099, 176337, 224231, 288297, 672693, 864891, 2018079, 2594673, 6054237, 18162711]

約数ペア:

[(1, 18162711), (3, 6054237), (7, 2594673), (9, 2018079), (21, 864891), (27, 672693), (63, 288297), (81, 224231), (103, 176337), (189, 96099), (309, 58779), (311, 58401), (567, 32033), (721, 25191), (927, 19593), (933, 19467), (2163, 8397), (2177, 8343), (2781, 6531), (2799, 6489)]