2108925

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 4694144

約数和(自身を除く): 2585219

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 39, 45, 63, 65, 75, 91, 103, 105, 117, 175, 195, 225, 273, 309, 315, 325, 455, 515, 525, 585, 721, 819, 927, 975, 1339, 1365, 1545, 1575, 2163, 2275, 2575, 2925, 3605, 4017, 4095, 4635, 6489, 6695, 6825, 7725, 9373, 10815, 12051, 18025, 20085, 20475, 23175, 28119, 32445, 33475, 46865, 54075, 60255, 84357, 100425, 140595, 162225, 234325, 301275, 421785, 702975, 2108925]

約数ペア:

[(1, 2108925), (3, 702975), (5, 421785), (7, 301275), (9, 234325), (13, 162225), (15, 140595), (21, 100425), (25, 84357), (35, 60255), (39, 54075), (45, 46865), (63, 33475), (65, 32445), (75, 28119), (91, 23175), (103, 20475), (105, 20085), (117, 18025), (175, 12051), (195, 10815), (225, 9373), (273, 7725), (309, 6825), (315, 6695), (325, 6489), (455, 4635), (515, 4095), (525, 4017), (585, 3605), (721, 2925), (819, 2575), (927, 2275), (975, 2163), (1339, 1575), (1365, 1545)]