209414979

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{4519}}^1$

素因数の和:4815

約数の個数: 24

約数和(自身を含む): 319654400

約数和(自身を除く): 110239421

約数列:

[1, 3, 9, 19, 57, 171, 271, 813, 2439, 4519, 5149, 13557, 15447, 40671, 46341, 85861, 257583, 772749, 1224649, 3673947, 11021841, 23268331, 69804993, 209414979]

約数ペア:

[(1, 209414979), (3, 69804993), (9, 23268331), (19, 11021841), (57, 3673947), (171, 1224649), (271, 772749), (813, 257583), (2439, 85861), (4519, 46341), (5149, 40671), (13557, 15447)]