215397141

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{22961}}^1$

素因数の和:23076

約数の個数: 16

約数和(自身を含む): 297587520

約数和(自身を除く): 82190379

約数列:

[1, 3, 53, 59, 159, 177, 3127, 9381, 22961, 68883, 1216933, 1354699, 3650799, 4064097, 71799047, 215397141]

約数ペア:

[(1, 215397141), (3, 71799047), (53, 4064097), (59, 3650799), (159, 1354699), (177, 1216933), (3127, 68883), (9381, 22961)]