12912021

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{6551}}^1$

素因数の和:6633

約数の個数: 16

約数和(自身を含む): 19393920

約数和(自身を除く): 6481899

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 6551, 19653, 58959, 176877, 478223, 1434669, 4304007, 12912021]

約数ペア:

[(1, 12912021), (3, 4304007), (9, 1434669), (27, 478223), (73, 176877), (219, 58959), (657, 19653), (1971, 6551)]