51211881

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{3581}}^1$

素因数の和:3821

約数の個数: 24

約数和(自身を含む): 84936384

約数和(自身を除く): 33724503

約数列:

[1, 3, 7, 9, 21, 63, 227, 681, 1589, 2043, 3581, 4767, 10743, 14301, 25067, 32229, 75201, 225603, 812887, 2438661, 5690209, 7315983, 17070627, 51211881]

約数ペア:

[(1, 51211881), (3, 17070627), (7, 7315983), (9, 5690209), (21, 2438661), (63, 812887), (227, 225603), (681, 75201), (1589, 32229), (2043, 25067), (3581, 14301), (4767, 10743)]