213089009

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{51683}}^1$

素因数の和:51740

約数の個数: 16

約数和(自身を含む): 264622080

約数和(自身を除く): 51533071

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 51683, 361781, 981977, 1602173, 6873839, 11215211, 30441287, 213089009]

約数ペア:

[(1, 213089009), (7, 30441287), (19, 11215211), (31, 6873839), (133, 1602173), (217, 981977), (589, 361781), (4123, 51683)]