42807921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{64567}}^1$

素因数の和:64600

約数の個数: 16

約数和(自身を含む): 65084544

約数和(自身を除く): 22276623

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 64567, 193701, 839371, 1097639, 2518113, 3292917, 14269307, 42807921]

約数ペア:

[(1, 42807921), (3, 14269307), (13, 3292917), (17, 2518113), (39, 1097639), (51, 839371), (221, 193701), (663, 64567)]