199912719

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{11149}}^1$

素因数の和:11334

約数の個数: 16

約数和(自身を含む): 274736000

約数和(自身を除く): 74823281

約数列:

[1, 3, 43, 129, 139, 417, 5977, 11149, 17931, 33447, 479407, 1438221, 1549711, 4649133, 66637573, 199912719]

約数ペア:

[(1, 199912719), (3, 66637573), (43, 4649133), (129, 1549711), (139, 1438221), (417, 479407), (5977, 33447), (11149, 17931)]