779439591

素因数分解:

$3^4\times 7^1\times {\mathrm{1374673}}^1$

素因数の和:1374692

約数の個数: 20

約数和(自身を含む): 1330684432

約数和(自身を除く): 551244841

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1374673, 4124019, 9622711, 12372057, 28868133, 37116171, 86604399, 111348513, 259813197, 779439591]

約数ペア:

[(1, 779439591), (3, 259813197), (7, 111348513), (9, 86604399), (21, 37116171), (27, 28868133), (63, 12372057), (81, 9622711), (189, 4124019), (567, 1374673)]