56521725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2054

約数の個数: 48

約数和(自身を含む): 104160000

約数和(自身を除く): 47638275

約数列:

[1, 3, 5, 13, 15, 25, 29, 39, 65, 75, 87, 145, 195, 325, 377, 435, 725, 975, 1131, 1885, 1999, 2175, 5655, 5997, 9425, 9995, 25987, 28275, 29985, 49975, 57971, 77961, 129935, 149925, 173913, 289855, 389805, 649675, 753623, 869565, 1449275, 1949025, 2260869, 3768115, 4347825, 11304345, 18840575, 56521725]

約数ペア:

[(1, 56521725), (3, 18840575), (5, 11304345), (13, 4347825), (15, 3768115), (25, 2260869), (29, 1949025), (39, 1449275), (65, 869565), (75, 753623), (87, 649675), (145, 389805), (195, 289855), (325, 173913), (377, 149925), (435, 129935), (725, 77961), (975, 57971), (1131, 49975), (1885, 29985), (1999, 28275), (2175, 25987), (5655, 9995), (5997, 9425)]