40722381

素因数分解:

$3^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{863}}^1$

素因数の和:990

約数の個数: 36

約数和(自身を含む): 69144192

約数和(自身を除く): 28421811

約数列:

[1, 3, 7, 9, 21, 49, 63, 107, 147, 321, 441, 749, 863, 963, 2247, 2589, 5243, 6041, 6741, 7767, 15729, 18123, 42287, 47187, 54369, 92341, 126861, 277023, 380583, 646387, 831069, 1939161, 4524709, 5817483, 13574127, 40722381]

約数ペア:

[(1, 40722381), (3, 13574127), (7, 5817483), (9, 4524709), (21, 1939161), (49, 831069), (63, 646387), (107, 380583), (147, 277023), (321, 126861), (441, 92341), (749, 54369), (863, 47187), (963, 42287), (2247, 18123), (2589, 15729), (5243, 7767), (6041, 6741)]