872606721

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1\times {\mathrm{1433}}^1$

素因数の和:1821

約数の個数: 32

約数和(自身を含む): 1348005888

約数和(自身を除く): 475399167

約数列:

[1, 3, 7, 21, 107, 271, 321, 749, 813, 1433, 1897, 2247, 4299, 5691, 10031, 28997, 30093, 86991, 153331, 202979, 388343, 459993, 608937, 1073317, 1165029, 2718401, 3219951, 8155203, 41552701, 124658103, 290868907, 872606721]

約数ペア:

[(1, 872606721), (3, 290868907), (7, 124658103), (21, 41552701), (107, 8155203), (271, 3219951), (321, 2718401), (749, 1165029), (813, 1073317), (1433, 608937), (1897, 459993), (2247, 388343), (4299, 202979), (5691, 153331), (10031, 86991), (28997, 30093)]