220987311

素因数分解:

$3^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1\times {\mathrm{1879}}^1$

素因数の和:2278

約数の個数: 16

約数和(自身を含む): 297792000

約数和(自身を除く): 76804689

約数列:

[1, 3, 197, 199, 591, 597, 1879, 5637, 39203, 117609, 370163, 373921, 1110489, 1121763, 73662437, 220987311]

約数ペア:

[(1, 220987311), (3, 73662437), (197, 1121763), (199, 1110489), (591, 373921), (597, 370163), (1879, 117609), (5637, 39203)]