12431643

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4451}}^1$

素因数の和:4487

約数の個数: 24

約数和(自身を含む): 20301120

約数和(自身を除く): 7869477

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 4451, 13353, 31157, 84569, 93471, 218099, 253707, 591983, 654297, 1775949, 4143881, 12431643]

約数ペア:

[(1, 12431643), (3, 4143881), (7, 1775949), (19, 654297), (21, 591983), (49, 253707), (57, 218099), (133, 93471), (147, 84569), (399, 31157), (931, 13353), (2793, 4451)]