989898255

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{5639}}^1$

素因数の和:5780

約数の個数: 48

約数和(自身を含む): 1773757440

約数和(自身を除く): 783859185

約数列:

[1, 3, 5, 9, 15, 45, 47, 83, 141, 235, 249, 415, 423, 705, 747, 1245, 2115, 3735, 3901, 5639, 11703, 16917, 19505, 28195, 35109, 50751, 58515, 84585, 175545, 253755, 265033, 468037, 795099, 1325165, 1404111, 2340185, 2385297, 3975495, 4212333, 7020555, 11926485, 21061665, 21997739, 65993217, 109988695, 197979651, 329966085, 989898255]

約数ペア:

[(1, 989898255), (3, 329966085), (5, 197979651), (9, 109988695), (15, 65993217), (45, 21997739), (47, 21061665), (83, 11926485), (141, 7020555), (235, 4212333), (249, 3975495), (415, 2385297), (423, 2340185), (705, 1404111), (747, 1325165), (1245, 795099), (2115, 468037), (3735, 265033), (3901, 253755), (5639, 175545), (11703, 84585), (16917, 58515), (19505, 50751), (28195, 35109)]