81201267

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{9839}}^1$

素因数の和:9983

約数の個数: 24

約数和(自身を含む): 135083520

約数和(自身を除く): 53882253

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2751, 8253, 9839, 29517, 68873, 88551, 206619, 619857, 1288909, 3866727, 9022363, 11600181, 27067089, 81201267]

約数ペア:

[(1, 81201267), (3, 27067089), (7, 11600181), (9, 9022363), (21, 3866727), (63, 1288909), (131, 619857), (393, 206619), (917, 88551), (1179, 68873), (2751, 29517), (8253, 9839)]