81808524

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{324637}}^1$

素因数の和:324654

約数の個数: 36

約数和(自身を含む): 236336464

約数和(自身を除く): 154527940

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 324637, 649274, 973911, 1298548, 1947822, 2272459, 2921733, 3895644, 4544918, 5843466, 6817377, 9089836, 11686932, 13634754, 20452131, 27269508, 40904262, 81808524]

約数ペア:

[(1, 81808524), (2, 40904262), (3, 27269508), (4, 20452131), (6, 13634754), (7, 11686932), (9, 9089836), (12, 6817377), (14, 5843466), (18, 4544918), (21, 3895644), (28, 2921733), (36, 2272459), (42, 1947822), (63, 1298548), (84, 973911), (126, 649274), (252, 324637)]