7899143

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 9871488

約数和(自身を除く): 1972345

約数列:

[1, 7, 23, 43, 49, 161, 163, 301, 989, 1127, 1141, 2107, 3749, 6923, 7009, 7987, 26243, 48461, 49063, 161207, 183701, 343441, 1128449, 7899143]

約数ペア:

[(1, 7899143), (7, 1128449), (23, 343441), (43, 183701), (49, 161207), (161, 49063), (163, 48461), (301, 26243), (989, 7987), (1127, 7009), (1141, 6923), (2107, 3749)]