215082217

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 255794112

約数和(自身を除く): 40711895

約数列:

[1, 7, 49, 71, 211, 293, 497, 1477, 2051, 3479, 10339, 14357, 14981, 20803, 61823, 104867, 145621, 432761, 734069, 1019347, 3029327, 4389433, 30726031, 215082217]

約数ペア:

[(1, 215082217), (7, 30726031), (49, 4389433), (71, 3029327), (211, 1019347), (293, 734069), (497, 432761), (1477, 145621), (2051, 104867), (3479, 61823), (10339, 20803), (14357, 14981)]