808889193

素因数分解:

$3^3\times 7^1\times {\mathrm{4279837}}^1$

素因数の和:4279853

約数の個数: 16

約数和(自身を含む): 1369548160

約数和(自身を除く): 560658967

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 4279837, 12839511, 29958859, 38518533, 89876577, 115555599, 269629731, 808889193]

約数ペア:

[(1, 808889193), (3, 269629731), (7, 115555599), (9, 89876577), (21, 38518533), (27, 29958859), (63, 12839511), (189, 4279837)]