78342621

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{6421}}^1$

素因数の和:6521

約数の個数: 24

約数和(自身を含む): 122994144

約数和(自身を除く): 44651523

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1743, 4067, 6421, 12201, 19263, 44947, 134841, 314629, 532943, 943887, 1598829, 3730601, 11191803, 26114207, 78342621]

約数ペア:

[(1, 78342621), (3, 26114207), (7, 11191803), (21, 3730601), (49, 1598829), (83, 943887), (147, 532943), (249, 314629), (581, 134841), (1743, 44947), (4067, 19263), (6421, 12201)]