25557231

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 40283136

約数和(自身を除く): 14725905

約数列:

[1, 3, 7, 21, 61, 71, 183, 213, 281, 427, 497, 843, 1281, 1491, 1967, 4331, 5901, 12993, 17141, 19951, 30317, 51423, 59853, 90951, 119987, 139657, 359961, 418971, 1217011, 3651033, 8519077, 25557231]

約数ペア:

[(1, 25557231), (3, 8519077), (7, 3651033), (21, 1217011), (61, 418971), (71, 359961), (183, 139657), (213, 119987), (281, 90951), (427, 59853), (497, 51423), (843, 30317), (1281, 19951), (1491, 17141), (1967, 12993), (4331, 5901)]