12990219

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{10639}}^1$

素因数の和:10690

約数の個数: 16

約数和(自身を含む): 19407360

約数和(自身を除く): 6417141

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 10639, 31917, 117029, 351087, 393643, 1180929, 4330073, 12990219]

約数ペア:

[(1, 12990219), (3, 4330073), (11, 1180929), (33, 393643), (37, 351087), (111, 117029), (407, 31917), (1221, 10639)]