215501069

素因数分解:

$7^3\times {\mathrm{433}}^1\times {\mathrm{1451}}^1$

素因数の和:1905

約数の個数: 16

約数和(自身を含む): 252067200

約数和(自身を除く): 36566131

約数列:

[1, 7, 49, 343, 433, 1451, 3031, 10157, 21217, 71099, 148519, 497693, 628283, 4397981, 30785867, 215501069]

約数ペア:

[(1, 215501069), (7, 30785867), (49, 4397981), (343, 628283), (433, 497693), (1451, 148519), (3031, 71099), (10157, 21217)]