81853857

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{739}}^1$

素因数の和:1173

約数の個数: 24

約数和(自身を含む): 122520320

約数和(自身を除く): 40666463

約数列:

[1, 3, 9, 31, 93, 279, 397, 739, 1191, 2217, 3573, 6651, 12307, 22909, 36921, 68727, 110763, 206181, 293383, 880149, 2640447, 9094873, 27284619, 81853857]

約数ペア:

[(1, 81853857), (3, 27284619), (9, 9094873), (31, 2640447), (93, 880149), (279, 293383), (397, 206181), (739, 110763), (1191, 68727), (2217, 36921), (3573, 22909), (6651, 12307)]