27783147

素因数分解:

$3^1\times 7^2\times {\mathrm{331}}^1\times {\mathrm{571}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 43298112

約数和(自身を除く): 15514965

約数列:

[1, 3, 7, 21, 49, 147, 331, 571, 993, 1713, 2317, 3997, 6951, 11991, 16219, 27979, 48657, 83937, 189001, 567003, 1323007, 3969021, 9261049, 27783147]

約数ペア:

[(1, 27783147), (3, 9261049), (7, 3969021), (21, 1323007), (49, 567003), (147, 189001), (331, 83937), (571, 48657), (993, 27979), (1713, 16219), (2317, 11991), (3997, 6951)]