28781967

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{1303}}^1$

素因数の和:1542

約数の個数: 16

約数和(自身を含む): 39641600

約数和(自身を除く): 10859633

約数列:

[1, 3, 37, 111, 199, 597, 1303, 3909, 7363, 22089, 48211, 144633, 259297, 777891, 9593989, 28781967]

約数ペア:

[(1, 28781967), (3, 9593989), (37, 777891), (111, 259297), (199, 144633), (597, 48211), (1303, 22089), (3909, 7363)]