28779795

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1097}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 55497312

約数和(自身を除く): 26717517

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 53, 55, 99, 159, 165, 265, 477, 495, 583, 795, 1097, 1749, 2385, 2915, 3291, 5247, 5485, 8745, 9873, 12067, 16455, 26235, 36201, 49365, 58141, 60335, 108603, 174423, 181005, 290705, 523269, 543015, 639551, 872115, 1918653, 2616345, 3197755, 5755959, 9593265, 28779795]

約数ペア:

[(1, 28779795), (3, 9593265), (5, 5755959), (9, 3197755), (11, 2616345), (15, 1918653), (33, 872115), (45, 639551), (53, 543015), (55, 523269), (99, 290705), (159, 181005), (165, 174423), (265, 108603), (477, 60335), (495, 58141), (583, 49365), (795, 36201), (1097, 26235), (1749, 16455), (2385, 12067), (2915, 9873), (3291, 8745), (5247, 5485)]