56387991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 87091200

約数和(自身を除く): 30703209

約数列:

[1, 3, 11, 19, 33, 57, 139, 209, 417, 627, 647, 1529, 1941, 2641, 4587, 7117, 7923, 12293, 21351, 29051, 36879, 87153, 89933, 135223, 269799, 405669, 989263, 1708727, 2967789, 5126181, 18795997, 56387991]

約数ペア:

[(1, 56387991), (3, 18795997), (11, 5126181), (19, 2967789), (33, 1708727), (57, 989263), (139, 405669), (209, 269799), (417, 135223), (627, 89933), (647, 87153), (1529, 36879), (1941, 29051), (2641, 21351), (4587, 12293), (7117, 7923)]