25497297

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 48016800

約数和(自身を除く): 22519503

約数列:

[1, 3, 7, 9, 17, 19, 21, 49, 51, 57, 63, 119, 133, 147, 153, 171, 179, 323, 357, 399, 441, 537, 833, 931, 969, 1071, 1197, 1253, 1611, 2261, 2499, 2793, 2907, 3043, 3401, 3759, 6783, 7497, 8379, 8771, 9129, 10203, 11277, 15827, 20349, 21301, 23807, 26313, 27387, 30609, 47481, 57817, 63903, 71421, 78939, 142443, 149107, 166649, 173451, 191709, 214263, 404719, 447321, 499947, 520353, 1214157, 1341963, 1499841, 2833033, 3642471, 8499099, 25497297]

約数ペア:

[(1, 25497297), (3, 8499099), (7, 3642471), (9, 2833033), (17, 1499841), (19, 1341963), (21, 1214157), (49, 520353), (51, 499947), (57, 447321), (63, 404719), (119, 214263), (133, 191709), (147, 173451), (153, 166649), (171, 149107), (179, 142443), (323, 78939), (357, 71421), (399, 63903), (441, 57817), (537, 47481), (833, 30609), (931, 27387), (969, 26313), (1071, 23807), (1197, 21301), (1253, 20349), (1611, 15827), (2261, 11277), (2499, 10203), (2793, 9129), (2907, 8771), (3043, 8379), (3401, 7497), (3759, 6783)]