25905663

素因数分解:

$3^4\times 7^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:194

約数の個数: 60

約数和(自身を含む): 46182312

約数和(自身を除く): 20276649

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 81, 107, 147, 183, 189, 321, 427, 441, 549, 567, 749, 963, 1281, 1323, 1647, 2247, 2889, 2989, 3843, 3969, 4941, 5243, 6527, 6741, 8667, 8967, 11529, 15729, 19581, 20223, 26901, 34587, 45689, 47187, 58743, 60669, 80703, 137067, 141561, 176229, 242109, 319823, 411201, 424683, 528687, 959469, 1233603, 2878407, 3700809, 8635221, 25905663]

約数ペア:

[(1, 25905663), (3, 8635221), (7, 3700809), (9, 2878407), (21, 1233603), (27, 959469), (49, 528687), (61, 424683), (63, 411201), (81, 319823), (107, 242109), (147, 176229), (183, 141561), (189, 137067), (321, 80703), (427, 60669), (441, 58743), (549, 47187), (567, 45689), (749, 34587), (963, 26901), (1281, 20223), (1323, 19581), (1647, 15729), (2247, 11529), (2889, 8967), (2989, 8667), (3843, 6741), (3969, 6527), (4941, 5243)]