420121273

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{293}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 510515712

約数和(自身を除く): 90394439

約数列:

[1, 11, 13, 37, 143, 271, 293, 407, 481, 2981, 3223, 3523, 3809, 5291, 10027, 10841, 38753, 41899, 79403, 110297, 119251, 130351, 140933, 873433, 1032239, 1433861, 1550263, 2937911, 11354629, 32317021, 38192843, 420121273]

約数ペア:

[(1, 420121273), (11, 38192843), (13, 32317021), (37, 11354629), (143, 2937911), (271, 1550263), (293, 1433861), (407, 1032239), (481, 873433), (2981, 140933), (3223, 130351), (3523, 119251), (3809, 110297), (5291, 79403), (10027, 41899), (10841, 38753)]