81342156

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{138337}}^1$

素因数の和:138358

約数の個数: 36

約数和(自身を含む): 220787448

約数和(自身を除く): 139445292

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 138337, 276674, 415011, 553348, 830022, 968359, 1660044, 1936718, 2905077, 3873436, 5810154, 6778513, 11620308, 13557026, 20335539, 27114052, 40671078, 81342156]

約数ペア:

[(1, 81342156), (2, 40671078), (3, 27114052), (4, 20335539), (6, 13557026), (7, 11620308), (12, 6778513), (14, 5810154), (21, 3873436), (28, 2905077), (42, 1936718), (49, 1660044), (84, 968359), (98, 830022), (147, 553348), (196, 415011), (294, 276674), (588, 138337)]