71389395

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1873}}^1$

素因数の和:1913

約数の個数: 72

約数和(自身を含む): 155527008

約数和(自身を除く): 84137613

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 121, 165, 231, 315, 363, 385, 495, 605, 693, 847, 1089, 1155, 1815, 1873, 2541, 3465, 4235, 5445, 5619, 7623, 9365, 12705, 13111, 16857, 20603, 28095, 38115, 39333, 61809, 65555, 84285, 103015, 117999, 144221, 185427, 196665, 226633, 309045, 432663, 589995, 679899, 721105, 927135, 1133165, 1297989, 1586431, 2039697, 2163315, 3399495, 4759293, 6489945, 7932155, 10198485, 14277879, 23796465, 71389395]

約数ペア:

[(1, 71389395), (3, 23796465), (5, 14277879), (7, 10198485), (9, 7932155), (11, 6489945), (15, 4759293), (21, 3399495), (33, 2163315), (35, 2039697), (45, 1586431), (55, 1297989), (63, 1133165), (77, 927135), (99, 721105), (105, 679899), (121, 589995), (165, 432663), (231, 309045), (315, 226633), (363, 196665), (385, 185427), (495, 144221), (605, 117999), (693, 103015), (847, 84285), (1089, 65555), (1155, 61809), (1815, 39333), (1873, 38115), (2541, 28095), (3465, 20603), (4235, 16857), (5445, 13111), (5619, 12705), (7623, 9365)]