42128181

素因数分解:

$3^8\times {\mathrm{6421}}^1$

素因数の和:6445

約数の個数: 18

約数和(自身を含む): 63198902

約数和(自身を除く): 21070721

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 6421, 6561, 19263, 57789, 173367, 520101, 1560303, 4680909, 14042727, 42128181]

約数ペア:

[(1, 42128181), (3, 14042727), (9, 4680909), (27, 1560303), (81, 520101), (243, 173367), (729, 57789), (2187, 19263), (6421, 6561)]