211672521

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1741}}^1$

素因数の和:1851

約数の個数: 40

約数和(自身を含む): 337251200

約数和(自身を除く): 125578679

約数列:

[1, 3, 9, 19, 27, 57, 79, 81, 171, 237, 513, 711, 1501, 1539, 1741, 2133, 4503, 5223, 6399, 13509, 15669, 33079, 40527, 47007, 99237, 121581, 137539, 141021, 297711, 412617, 893133, 1237851, 2613241, 2679399, 3713553, 7839723, 11140659, 23519169, 70557507, 211672521]

約数ペア:

[(1, 211672521), (3, 70557507), (9, 23519169), (19, 11140659), (27, 7839723), (57, 3713553), (79, 2679399), (81, 2613241), (171, 1237851), (237, 893133), (513, 412617), (711, 297711), (1501, 141021), (1539, 137539), (1741, 121581), (2133, 99237), (4503, 47007), (5223, 40527), (6399, 33079), (13509, 15669)]