526748481

素因数分解:

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

素因数の和:252

約数の個数: 72

約数和(自身を含む): 931525920

約数和(自身を除く): 404777439

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 107, 147, 183, 189, 321, 427, 441, 549, 749, 963, 1281, 1323, 1647, 2247, 2889, 2989, 3721, 3843, 5243, 6527, 6741, 8967, 11163, 11529, 15729, 19581, 20223, 26047, 26901, 33489, 45689, 47187, 58743, 78141, 80703, 100467, 137067, 141561, 176229, 182329, 234423, 319823, 398147, 411201, 546987, 703269, 959469, 1194441, 1233603, 1640961, 2787029, 2878407, 3583323, 4922883, 8361087, 8635221, 10749969, 19509203, 25083261, 58527609, 75249783, 175582827, 526748481]

約数ペア:

[(1, 526748481), (3, 175582827), (7, 75249783), (9, 58527609), (21, 25083261), (27, 19509203), (49, 10749969), (61, 8635221), (63, 8361087), (107, 4922883), (147, 3583323), (183, 2878407), (189, 2787029), (321, 1640961), (427, 1233603), (441, 1194441), (549, 959469), (749, 703269), (963, 546987), (1281, 411201), (1323, 398147), (1647, 319823), (2247, 234423), (2889, 182329), (2989, 176229), (3721, 141561), (3843, 137067), (5243, 100467), (6527, 80703), (6741, 78141), (8967, 58743), (11163, 47187), (11529, 45689), (15729, 33489), (19581, 26901), (20223, 26047)]