2938973787

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1307}}^1$

素因数の和:1430

約数の個数: 80

約数和(自身を含む): 4922767872

約数和(自身を除く): 1983794085

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 71, 81, 153, 207, 213, 391, 459, 621, 639, 1173, 1207, 1307, 1377, 1633, 1863, 1917, 3519, 3621, 3921, 4899, 5751, 10557, 10863, 11763, 14697, 22219, 27761, 30061, 31671, 32589, 35289, 44091, 66657, 83283, 90183, 92797, 97767, 105867, 132273, 199971, 249849, 270549, 278391, 511037, 599913, 749547, 811647, 835173, 1533111, 1577549, 1799739, 2134331, 2248641, 2434941, 2505519, 4599333, 4732647, 6402993, 7516557, 13797999, 14197941, 19208979, 36283627, 41393997, 42593823, 57626937, 108850881, 127781469, 172880811, 326552643, 979657929, 2938973787]

約数ペア:

[(1, 2938973787), (3, 979657929), (9, 326552643), (17, 172880811), (23, 127781469), (27, 108850881), (51, 57626937), (69, 42593823), (71, 41393997), (81, 36283627), (153, 19208979), (207, 14197941), (213, 13797999), (391, 7516557), (459, 6402993), (621, 4732647), (639, 4599333), (1173, 2505519), (1207, 2434941), (1307, 2248641), (1377, 2134331), (1633, 1799739), (1863, 1577549), (1917, 1533111), (3519, 835173), (3621, 811647), (3921, 749547), (4899, 599913), (5751, 511037), (10557, 278391), (10863, 270549), (11763, 249849), (14697, 199971), (22219, 132273), (27761, 105867), (30061, 97767), (31671, 92797), (32589, 90183), (35289, 83283), (44091, 66657)]