25978005

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3677}}^1$

素因数の和:3845

約数の個数: 24

約数和(自身を含む): 45327672

約数和(自身を除く): 19349667

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 3677, 7065, 11031, 18385, 33093, 55155, 165465, 577289, 1731867, 2886445, 5195601, 8659335, 25978005]

約数ペア:

[(1, 25978005), (3, 8659335), (5, 5195601), (9, 2886445), (15, 1731867), (45, 577289), (157, 165465), (471, 55155), (785, 33093), (1413, 18385), (2355, 11031), (3677, 7065)]