12656679

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31721}}^1$

素因数の和:31750

約数の個数: 16

約数和(自身を含む): 20302080

約数和(自身を除く): 7645401

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 31721, 95163, 222047, 602699, 666141, 1808097, 4218893, 12656679]

約数ペア:

[(1, 12656679), (3, 4218893), (7, 1808097), (19, 666141), (21, 602699), (57, 222047), (133, 95163), (399, 31721)]