260619741

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{859}}^1$

素因数の和:1546

約数の個数: 32

約数和(自身を含む): 409910400

約数和(自身を除く): 149290659

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 661, 859, 1983, 2577, 5949, 7731, 11237, 14603, 17847, 23193, 33711, 43809, 101133, 131427, 303399, 394281, 567799, 1703397, 5110191, 9652583, 15330573, 28957749, 86873247, 260619741]

約数ペア:

[(1, 260619741), (3, 86873247), (9, 28957749), (17, 15330573), (27, 9652583), (51, 5110191), (153, 1703397), (459, 567799), (661, 394281), (859, 303399), (1983, 131427), (2577, 101133), (5949, 43809), (7731, 33711), (11237, 23193), (14603, 17847)]