72988881

素因数分解:

$3^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{2131}}^1$

素因数の和:2381

約数の個数: 24

約数和(自身を含む): 113746464

約数和(自身を除く): 40757583

約数列:

[1, 3, 7, 21, 49, 147, 233, 699, 1631, 2131, 4893, 6393, 11417, 14917, 34251, 44751, 104419, 313257, 496523, 1489569, 3475661, 10426983, 24329627, 72988881]

約数ペア:

[(1, 72988881), (3, 24329627), (7, 10426983), (21, 3475661), (49, 1489569), (147, 496523), (233, 313257), (699, 104419), (1631, 44751), (2131, 34251), (4893, 14917), (6393, 11417)]