26971965

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 48926592

約数和(自身を除く): 21954627

約数列:

[1, 3, 5, 9, 15, 43, 45, 53, 129, 159, 215, 263, 265, 387, 477, 645, 789, 795, 1315, 1935, 2279, 2367, 2385, 3945, 6837, 11309, 11395, 11835, 13939, 20511, 33927, 34185, 41817, 56545, 69695, 101781, 102555, 125451, 169635, 209085, 508905, 599377, 627255, 1798131, 2996885, 5394393, 8990655, 26971965]

約数ペア:

[(1, 26971965), (3, 8990655), (5, 5394393), (9, 2996885), (15, 1798131), (43, 627255), (45, 599377), (53, 508905), (129, 209085), (159, 169635), (215, 125451), (263, 102555), (265, 101781), (387, 69695), (477, 56545), (645, 41817), (789, 34185), (795, 33927), (1315, 20511), (1935, 13939), (2279, 11835), (2367, 11395), (2385, 11309), (3945, 6837)]