12893223

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 20173440

約数和(自身を除く): 7280217

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 631, 973, 1893, 2919, 4417, 6811, 13251, 20433, 30919, 87709, 92757, 263127, 613963, 1841889, 4297741, 12893223]

約数ペア:

[(1, 12893223), (3, 4297741), (7, 1841889), (21, 613963), (49, 263127), (139, 92757), (147, 87709), (417, 30919), (631, 20433), (973, 13251), (1893, 6811), (2919, 4417)]