213088085

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{209939}}^1$

素因数の和:209980

約数の個数: 16

約数和(自身を含む): 302313600

約数和(自身を除く): 89225515

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 209939, 1049695, 1469573, 6088231, 7347865, 30441155, 42617617, 213088085]

約数ペア:

[(1, 213088085), (5, 42617617), (7, 30441155), (29, 7347865), (35, 6088231), (145, 1469573), (203, 1049695), (1015, 209939)]