2123198217

素因数分解:

$3^3\times 7^1\times {\mathrm{643}}^1\times {\mathrm{17471}}^1$

素因数の和:18130

約数の個数: 32

約数和(自身を含む): 3600629760

約数和(自身を除く): 1477431543

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 643, 1929, 4501, 5787, 13503, 17361, 17471, 40509, 52413, 121527, 122297, 157239, 366891, 471717, 1100673, 3302019, 11233853, 33701559, 78636971, 101104677, 235910913, 303314031, 707732739, 2123198217]

約数ペア:

[(1, 2123198217), (3, 707732739), (7, 303314031), (9, 235910913), (21, 101104677), (27, 78636971), (63, 33701559), (189, 11233853), (643, 3302019), (1929, 1100673), (4501, 471717), (5787, 366891), (13503, 157239), (17361, 122297), (17471, 121527), (40509, 52413)]