16953981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 26707968

約数和(自身を除く): 9753987

約数列:

[1, 3, 11, 17, 33, 47, 51, 141, 187, 517, 561, 643, 799, 1551, 1929, 2397, 7073, 8789, 10931, 21219, 26367, 30221, 32793, 90663, 120241, 332431, 360723, 513757, 997293, 1541271, 5651327, 16953981]

約数ペア:

[(1, 16953981), (3, 5651327), (11, 1541271), (17, 997293), (33, 513757), (47, 360723), (51, 332431), (141, 120241), (187, 90663), (517, 32793), (561, 30221), (643, 26367), (799, 21219), (1551, 10931), (1929, 8789), (2397, 7073)]