1555121223

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 2416766976

約数和(自身を除く): 861645753

約数列:

[1, 3, 9, 17, 51, 127, 153, 163, 381, 489, 491, 1143, 1467, 1473, 2159, 2771, 4419, 6477, 8313, 8347, 19431, 20701, 24939, 25041, 62103, 62357, 75123, 80033, 186309, 187071, 240099, 351917, 561213, 720297, 1055751, 1060069, 1360561, 3167253, 3180207, 4081683, 9540621, 10164191, 12245049, 30492573, 91477719, 172791247, 518373741, 1555121223]

約数ペア:

[(1, 1555121223), (3, 518373741), (9, 172791247), (17, 91477719), (51, 30492573), (127, 12245049), (153, 10164191), (163, 9540621), (381, 4081683), (489, 3180207), (491, 3167253), (1143, 1360561), (1467, 1060069), (1473, 1055751), (2159, 720297), (2771, 561213), (4419, 351917), (6477, 240099), (8313, 187071), (8347, 186309), (19431, 80033), (20701, 75123), (24939, 62357), (25041, 62103)]