2181570471

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 3510853632

約数和(自身を除く): 1329283161

約数列:

[1, 3, 9, 31, 43, 47, 53, 73, 93, 129, 141, 159, 219, 279, 387, 423, 477, 657, 1333, 1457, 1643, 2021, 2263, 2279, 2491, 3139, 3431, 3869, 3999, 4371, 4929, 6063, 6789, 6837, 7473, 9417, 10293, 11607, 11997, 13113, 14787, 18189, 20367, 20511, 22419, 28251, 30879, 34821, 62651, 70649, 77221, 97309, 106361, 107113, 119939, 147533, 166367, 181843, 187953, 211947, 231663, 291927, 319083, 321339, 359817, 442599, 499101, 545529, 563859, 635841, 694989, 875781, 957249, 964017, 1079451, 1327797, 1497303, 1636587, 3320503, 4573523, 5157377, 5637133, 7819249, 9961509, 13720569, 15472131, 16911399, 23457747, 29884527, 41161707, 46416393, 50734197, 70373241, 242396719, 727190157, 2181570471]

約数ペア:

[(1, 2181570471), (3, 727190157), (9, 242396719), (31, 70373241), (43, 50734197), (47, 46416393), (53, 41161707), (73, 29884527), (93, 23457747), (129, 16911399), (141, 15472131), (159, 13720569), (219, 9961509), (279, 7819249), (387, 5637133), (423, 5157377), (477, 4573523), (657, 3320503), (1333, 1636587), (1457, 1497303), (1643, 1327797), (2021, 1079451), (2263, 964017), (2279, 957249), (2491, 875781), (3139, 694989), (3431, 635841), (3869, 563859), (3999, 545529), (4371, 499101), (4929, 442599), (6063, 359817), (6789, 321339), (6837, 319083), (7473, 291927), (9417, 231663), (10293, 211947), (11607, 187953), (11997, 181843), (13113, 166367), (14787, 147533), (18189, 119939), (20367, 107113), (20511, 106361), (22419, 97309), (28251, 77221), (30879, 70649), (34821, 62651)]