26904969

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^2$

素因数の和:84

約数の個数: 81

約数和(自身を含む): 51664743

約数和(自身を除く): 24759774

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 49, 57, 63, 91, 117, 133, 147, 169, 171, 247, 273, 361, 399, 441, 507, 637, 741, 819, 931, 1083, 1183, 1197, 1521, 1729, 1911, 2223, 2527, 2793, 3211, 3249, 3549, 4693, 5187, 5733, 7581, 8281, 8379, 9633, 10647, 12103, 14079, 15561, 17689, 22477, 22743, 24843, 28899, 32851, 36309, 42237, 53067, 61009, 67431, 74529, 98553, 108927, 157339, 159201, 183027, 202293, 229957, 295659, 427063, 472017, 549081, 689871, 1281189, 1416051, 2069613, 2989441, 3843567, 8968323, 26904969]

約数ペア:

[(1, 26904969), (3, 8968323), (7, 3843567), (9, 2989441), (13, 2069613), (19, 1416051), (21, 1281189), (39, 689871), (49, 549081), (57, 472017), (63, 427063), (91, 295659), (117, 229957), (133, 202293), (147, 183027), (169, 159201), (171, 157339), (247, 108927), (273, 98553), (361, 74529), (399, 67431), (441, 61009), (507, 53067), (637, 42237), (741, 36309), (819, 32851), (931, 28899), (1083, 24843), (1183, 22743), (1197, 22477), (1521, 17689), (1729, 15561), (1911, 14079), (2223, 12103), (2527, 10647), (2793, 9633), (3211, 8379), (3249, 8281), (3549, 7581), (4693, 5733)]