81843138

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{881}}^1$

素因数の和:1299

約数の個数: 48

約数和(自身を含む): 191665656

約数和(自身を除く): 109822518

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 397, 794, 881, 1191, 1762, 2382, 2643, 3573, 5161, 5286, 7146, 7929, 10322, 11453, 15483, 15858, 22906, 30966, 34359, 46449, 68718, 92898, 103077, 206154, 349757, 699514, 1049271, 2098542, 3147813, 4546841, 6295626, 9093682, 13640523, 27281046, 40921569, 81843138]

約数ペア:

[(1, 81843138), (2, 40921569), (3, 27281046), (6, 13640523), (9, 9093682), (13, 6295626), (18, 4546841), (26, 3147813), (39, 2098542), (78, 1049271), (117, 699514), (234, 349757), (397, 206154), (794, 103077), (881, 92898), (1191, 68718), (1762, 46449), (2382, 34359), (2643, 30966), (3573, 22906), (5161, 15858), (5286, 15483), (7146, 11453), (7929, 10322)]