81864387

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{22349}}^1$

素因数の和:22403

約数の個数: 24

約数和(自身を含む): 132490800

約数和(自身を除く): 50626413

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 22349, 67047, 201141, 245839, 737517, 826913, 2212551, 2480739, 7442217, 9096043, 27288129, 81864387]

約数ペア:

[(1, 81864387), (3, 27288129), (9, 9096043), (11, 7442217), (33, 2480739), (37, 2212551), (99, 826913), (111, 737517), (333, 245839), (407, 201141), (1221, 67047), (3663, 22349)]