427329441

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:811

約数の個数: 72

約数和(自身を含む): 790249824

約数和(自身を除く): 362920383

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 137, 147, 231, 411, 441, 539, 643, 693, 959, 1233, 1507, 1617, 1929, 2877, 4501, 4521, 4851, 5787, 6713, 7073, 8631, 10549, 13503, 13563, 20139, 21219, 31507, 31647, 40509, 49511, 60417, 63657, 73843, 88091, 94521, 94941, 148533, 221529, 264273, 283563, 346577, 445599, 616637, 664587, 792819, 969001, 1039731, 1849911, 2907003, 3119193, 4316459, 5549733, 6783007, 8721009, 12949377, 20349021, 38848131, 47481049, 61047063, 142443147, 427329441]

約数ペア:

[(1, 427329441), (3, 142443147), (7, 61047063), (9, 47481049), (11, 38848131), (21, 20349021), (33, 12949377), (49, 8721009), (63, 6783007), (77, 5549733), (99, 4316459), (137, 3119193), (147, 2907003), (231, 1849911), (411, 1039731), (441, 969001), (539, 792819), (643, 664587), (693, 616637), (959, 445599), (1233, 346577), (1507, 283563), (1617, 264273), (1929, 221529), (2877, 148533), (4501, 94941), (4521, 94521), (4851, 88091), (5787, 73843), (6713, 63657), (7073, 60417), (8631, 49511), (10549, 40509), (13503, 31647), (13563, 31507), (20139, 21219)]