12378681

素因数分解:

$3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{563}}^1$

素因数の和:925

約数の個数: 24

約数和(自身を含む): 20529600

約数和(自身を除く): 8150919

約数列:

[1, 3, 7, 9, 21, 63, 349, 563, 1047, 1689, 2443, 3141, 3941, 5067, 7329, 11823, 21987, 35469, 196487, 589461, 1375409, 1768383, 4126227, 12378681]

約数ペア:

[(1, 12378681), (3, 4126227), (7, 1768383), (9, 1375409), (21, 589461), (63, 196487), (349, 35469), (563, 21987), (1047, 11823), (1689, 7329), (2443, 5067), (3141, 3941)]