78396423

素因数分解:

$3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{1621}}^1$

素因数の和:1692

約数の個数: 32

約数和(自身を含む): 124569600

約数和(自身を除く): 46173177

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 343, 987, 1029, 1621, 2303, 4863, 6909, 11347, 16121, 34041, 48363, 76187, 79429, 228561, 238287, 533309, 556003, 1599927, 1668009, 3733163, 11199489, 26132141, 78396423]

約数ペア:

[(1, 78396423), (3, 26132141), (7, 11199489), (21, 3733163), (47, 1668009), (49, 1599927), (141, 556003), (147, 533309), (329, 238287), (343, 228561), (987, 79429), (1029, 76187), (1621, 48363), (2303, 34041), (4863, 16121), (6909, 11347)]