15321425

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3019}}^1$

素因数の和:3065

約数の個数: 24

約数和(自身を含む): 22468800

約数和(自身を除く): 7147375

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 725, 1015, 3019, 5075, 15095, 21133, 75475, 87551, 105665, 437755, 528325, 612857, 2188775, 3064285, 15321425]

約数ペア:

[(1, 15321425), (5, 3064285), (7, 2188775), (25, 612857), (29, 528325), (35, 437755), (145, 105665), (175, 87551), (203, 75475), (725, 21133), (1015, 15095), (3019, 5075)]