28680843

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:882

約数の個数: 16

約数和(自身を含む): 38931200

約数和(自身を除く): 10250357

約数列:

[1, 3, 109, 139, 327, 417, 631, 1893, 15151, 45453, 68779, 87709, 206337, 263127, 9560281, 28680843]

約数ペア:

[(1, 28680843), (3, 9560281), (109, 263127), (139, 206337), (327, 87709), (417, 68779), (631, 45453), (1893, 15151)]