81043655

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1163}}^1$

素因数の和:1367

約数の個数: 32

約数和(自身を含む): 122024448

約数和(自身を除く): 40980793

約数列:

[1, 5, 7, 11, 35, 55, 77, 181, 385, 905, 1163, 1267, 1991, 5815, 6335, 8141, 9955, 12793, 13937, 40705, 63965, 69685, 89551, 210503, 447755, 1052515, 1473521, 2315533, 7367605, 11577665, 16208731, 81043655]

約数ペア:

[(1, 81043655), (5, 16208731), (7, 11577665), (11, 7367605), (35, 2315533), (55, 1473521), (77, 1052515), (181, 447755), (385, 210503), (905, 89551), (1163, 69685), (1267, 63965), (1991, 40705), (5815, 13937), (6335, 12793), (8141, 9955)]