131478876

素因数分解:

$2^2\times 3^4\times {\mathrm{405799}}^1$

素因数の和:405815

約数の個数: 30

約数和(自身を含む): 343712600

約数和(自身を除く): 212233724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 405799, 811598, 1217397, 1623196, 2434794, 3652191, 4869588, 7304382, 10956573, 14608764, 21913146, 32869719, 43826292, 65739438, 131478876]

約数ペア:

[(1, 131478876), (2, 65739438), (3, 43826292), (4, 32869719), (6, 21913146), (9, 14608764), (12, 10956573), (18, 7304382), (27, 4869588), (36, 3652191), (54, 2434794), (81, 1623196), (108, 1217397), (162, 811598), (324, 405799)]