28680141

素因数分解:

$3^1\times 7^2\times {\mathrm{195103}}^1$

素因数の和:195120

約数の個数: 12

約数和(自身を含む): 44483712

約数和(自身を除く): 15803571

約数列:

[1, 3, 7, 21, 49, 147, 195103, 585309, 1365721, 4097163, 9560047, 28680141]

約数ペア:

[(1, 28680141), (3, 9560047), (7, 4097163), (21, 1365721), (49, 585309), (147, 195103)]