51928821

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 90879360

約数和(自身を除く): 38950539

約数列:

[1, 3, 7, 9, 21, 29, 43, 63, 87, 129, 203, 261, 301, 387, 609, 661, 903, 1247, 1827, 1983, 2709, 3741, 4627, 5949, 8729, 11223, 13881, 19169, 26187, 28423, 41643, 57507, 78561, 85269, 134183, 172521, 198961, 255807, 402549, 596883, 824267, 1207647, 1790649, 2472801, 5769869, 7418403, 17309607, 51928821]

約数ペア:

[(1, 51928821), (3, 17309607), (7, 7418403), (9, 5769869), (21, 2472801), (29, 1790649), (43, 1207647), (63, 824267), (87, 596883), (129, 402549), (203, 255807), (261, 198961), (301, 172521), (387, 134183), (609, 85269), (661, 78561), (903, 57507), (1247, 41643), (1827, 28423), (1983, 26187), (2709, 19169), (3741, 13881), (4627, 11223), (5949, 8729)]