51382233

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 91907712

約数和(自身を除く): 40525479

約数列:

[1, 3, 7, 9, 21, 37, 47, 49, 63, 67, 111, 141, 147, 201, 259, 329, 333, 423, 441, 469, 603, 777, 987, 1407, 1739, 1813, 2303, 2331, 2479, 2961, 3149, 3283, 4221, 5217, 5439, 6909, 7437, 9447, 9849, 12173, 15651, 16317, 17353, 20727, 22043, 22311, 28341, 29547, 36519, 52059, 66129, 85211, 109557, 116513, 121471, 154301, 156177, 198387, 255633, 349539, 364413, 462903, 766899, 815591, 1048617, 1093239, 1388709, 2446773, 5709137, 7340319, 17127411, 51382233]

約数ペア:

[(1, 51382233), (3, 17127411), (7, 7340319), (9, 5709137), (21, 2446773), (37, 1388709), (47, 1093239), (49, 1048617), (63, 815591), (67, 766899), (111, 462903), (141, 364413), (147, 349539), (201, 255633), (259, 198387), (329, 156177), (333, 154301), (423, 121471), (441, 116513), (469, 109557), (603, 85211), (777, 66129), (987, 52059), (1407, 36519), (1739, 29547), (1813, 28341), (2303, 22311), (2331, 22043), (2479, 20727), (2961, 17353), (3149, 16317), (3283, 15651), (4221, 12173), (5217, 9849), (5439, 9447), (6909, 7437)]