138249279

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{467}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 236740608

約数和(自身を除く): 98491329

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 127, 259, 333, 381, 467, 777, 889, 1143, 1401, 2331, 2667, 3269, 4203, 4699, 8001, 9807, 14097, 17279, 29421, 32893, 42291, 51837, 59309, 98679, 120953, 155511, 177927, 296037, 362859, 415163, 533781, 1088577, 1245489, 2194433, 3736467, 6583299, 15361031, 19749897, 46083093, 138249279]

約数ペア:

[(1, 138249279), (3, 46083093), (7, 19749897), (9, 15361031), (21, 6583299), (37, 3736467), (63, 2194433), (111, 1245489), (127, 1088577), (259, 533781), (333, 415163), (381, 362859), (467, 296037), (777, 177927), (889, 155511), (1143, 120953), (1401, 98679), (2331, 59309), (2667, 51837), (3269, 42291), (4203, 32893), (4699, 29421), (8001, 17279), (9807, 14097)]