90721278

素因数分解:

$2^1\times 3^2\times {\mathrm{5040071}}^1$

素因数の和:5040079

約数の個数: 12

約数和(自身を含む): 196562808

約数和(自身を除く): 105841530

約数列:

[1, 2, 3, 6, 9, 18, 5040071, 10080142, 15120213, 30240426, 45360639, 90721278]

約数ペア:

[(1, 90721278), (2, 45360639), (3, 30240426), (6, 15120213), (9, 10080142), (18, 5040071)]