12939777

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 20367360

約数和(自身を除く): 7427583

約数列:

[1, 3, 9, 23, 27, 67, 69, 201, 207, 311, 603, 621, 933, 1541, 1809, 2799, 4623, 7153, 8397, 13869, 20837, 21459, 41607, 62511, 64377, 187533, 193131, 479251, 562599, 1437753, 4313259, 12939777]

約数ペア:

[(1, 12939777), (3, 4313259), (9, 1437753), (23, 562599), (27, 479251), (67, 193131), (69, 187533), (201, 64377), (207, 62511), (311, 41607), (603, 21459), (621, 20837), (933, 13869), (1541, 8397), (1809, 7153), (2799, 4623)]