201990054

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{687041}}^1$

素因数の和:687060

約数の個数: 24

約数和(自身を含む): 469936728

約数和(自身を除く): 267946674

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 687041, 1374082, 2061123, 4122246, 4809287, 9618574, 14427861, 28855722, 33665009, 67330018, 100995027, 201990054]

約数ペア:

[(1, 201990054), (2, 100995027), (3, 67330018), (6, 33665009), (7, 28855722), (14, 14427861), (21, 9618574), (42, 4809287), (49, 4122246), (98, 2061123), (147, 1374082), (294, 687041)]