28681036377

素因数分解:

$3^1\times 7^2\times {\mathrm{195109091}}^1$

素因数の和:195109108

約数の個数: 12

約数和(自身を含む): 44484872976

約数和(自身を除く): 15803836599

約数列:

[1, 3, 7, 21, 49, 147, 195109091, 585327273, 1365763637, 4097290911, 9560345459, 28681036377]

約数ペア:

[(1, 28681036377), (3, 9560345459), (7, 4097290911), (21, 1365763637), (49, 585327273), (147, 195109091)]