164031399

素因数分解:

$3^4\times 7^1\times {\mathrm{289297}}^1$

素因数の和:289316

約数の個数: 20

約数和(自身を含む): 280040464

約数和(自身を除く): 116009065

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 289297, 867891, 2025079, 2603673, 6075237, 7811019, 18225711, 23433057, 54677133, 164031399]

約数ペア:

[(1, 164031399), (3, 54677133), (7, 23433057), (9, 18225711), (21, 7811019), (27, 6075237), (63, 2603673), (81, 2025079), (189, 867891), (567, 289297)]