28081995

素因数分解:

$3^1\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{1487}}^1$

素因数の和:2754

約数の個数: 16

約数和(自身を含む): 44997120

約数和(自身を除く): 16915125

約数列:

[1, 3, 5, 15, 1259, 1487, 3777, 4461, 6295, 7435, 18885, 22305, 1872133, 5616399, 9360665, 28081995]

約数ペア:

[(1, 28081995), (3, 9360665), (5, 5616399), (15, 1872133), (1259, 22305), (1487, 18885), (3777, 7435), (4461, 6295)]