81225564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{966971}}^1$

素因数の和:966985

約数の個数: 24

約数和(自身を含む): 216601728

約数和(自身を除く): 135376164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 966971, 1933942, 2900913, 3867884, 5801826, 6768797, 11603652, 13537594, 20306391, 27075188, 40612782, 81225564]

約数ペア:

[(1, 81225564), (2, 40612782), (3, 27075188), (4, 20306391), (6, 13537594), (7, 11603652), (12, 6768797), (14, 5801826), (21, 3867884), (28, 2900913), (42, 1933942), (84, 966971)]