25028775

素因数分解:

$3^2\times 5^2\times {\mathrm{173}}^1\times {\mathrm{643}}^1$

素因数の和:832

約数の個数: 36

約数和(自身を含む): 45158568

約数和(自身を除く): 20129793

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 173, 225, 519, 643, 865, 1557, 1929, 2595, 3215, 4325, 5787, 7785, 9645, 12975, 16075, 28935, 38925, 48225, 111239, 144675, 333717, 556195, 1001151, 1668585, 2780975, 5005755, 8342925, 25028775]

約数ペア:

[(1, 25028775), (3, 8342925), (5, 5005755), (9, 2780975), (15, 1668585), (25, 1001151), (45, 556195), (75, 333717), (173, 144675), (225, 111239), (519, 48225), (643, 38925), (865, 28935), (1557, 16075), (1929, 12975), (2595, 9645), (3215, 7785), (4325, 5787)]