51903537

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 81607680

約数和(自身を除く): 29704143

約数列:

[1, 3, 7, 21, 43, 129, 229, 251, 301, 687, 753, 903, 1603, 1757, 4809, 5271, 9847, 10793, 29541, 32379, 57479, 68929, 75551, 172437, 206787, 226653, 402353, 1207059, 2471597, 7414791, 17301179, 51903537]

約数ペア:

[(1, 51903537), (3, 17301179), (7, 7414791), (21, 2471597), (43, 1207059), (129, 402353), (229, 226653), (251, 206787), (301, 172437), (687, 75551), (753, 68929), (903, 57479), (1603, 32379), (1757, 29541), (4809, 10793), (5271, 9847)]