210864213

素因数分解:

$3^2\times 7^1\times {\mathrm{1787}}^1\times {\mathrm{1873}}^1$

素因数の和:3673

約数の個数: 24

約数和(自身を含む): 348474048

約数和(自身を除く): 137609835

約数列:

[1, 3, 7, 9, 21, 63, 1787, 1873, 5361, 5619, 12509, 13111, 16083, 16857, 37527, 39333, 112581, 117999, 3347051, 10041153, 23429357, 30123459, 70288071, 210864213]

約数ペア:

[(1, 210864213), (3, 70288071), (7, 30123459), (9, 23429357), (21, 10041153), (63, 3347051), (1787, 117999), (1873, 112581), (5361, 39333), (5619, 37527), (12509, 16857), (13111, 16083)]