13281213

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{8563}}^1$

素因数の和:8624

約数の個数: 16

約数和(自身を含む): 19731456

約数和(自身を除く): 6450243

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 8563, 25689, 94193, 282579, 402461, 1207383, 4427071, 13281213]

約数ペア:

[(1, 13281213), (3, 4427071), (11, 1207383), (33, 402461), (47, 282579), (141, 94193), (517, 25689), (1551, 8563)]