81408663

素因数分解:

$3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{7219}}^1$

素因数の和:7411

約数の個数: 24

約数和(自身を含む): 135158400

約数和(自身を除く): 53749737

約数列:

[1, 3, 7, 9, 21, 63, 179, 537, 1253, 1611, 3759, 7219, 11277, 21657, 50533, 64971, 151599, 454797, 1292201, 3876603, 9045407, 11629809, 27136221, 81408663]

約数ペア:

[(1, 81408663), (3, 27136221), (7, 11629809), (9, 9045407), (21, 3876603), (63, 1292201), (179, 454797), (537, 151599), (1253, 64971), (1611, 50533), (3759, 21657), (7219, 11277)]