6887139

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 11343360

約数和(自身を除く): 4456221

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 421, 779, 861, 1263, 2337, 2947, 5453, 7999, 8841, 16359, 17261, 23997, 51783, 55993, 120827, 167979, 327959, 362481, 983877, 2295713, 6887139]

約数ペア:

[(1, 6887139), (3, 2295713), (7, 983877), (19, 362481), (21, 327959), (41, 167979), (57, 120827), (123, 55993), (133, 51783), (287, 23997), (399, 17261), (421, 16359), (779, 8841), (861, 7999), (1263, 5453), (2337, 2947)]