13287825

素因数分解:

$3^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{809}}^1$

素因数の和:898

約数の個数: 36

約数和(自身を含む): 24155820

約数和(自身を除く): 10867995

約数列:

[1, 3, 5, 9, 15, 25, 45, 73, 75, 219, 225, 365, 657, 809, 1095, 1825, 2427, 3285, 4045, 5475, 7281, 12135, 16425, 20225, 36405, 59057, 60675, 177171, 182025, 295285, 531513, 885855, 1476425, 2657565, 4429275, 13287825]

約数ペア:

[(1, 13287825), (3, 4429275), (5, 2657565), (9, 1476425), (15, 885855), (25, 531513), (45, 295285), (73, 182025), (75, 177171), (219, 60675), (225, 59057), (365, 36405), (657, 20225), (809, 16425), (1095, 12135), (1825, 7281), (2427, 5475), (3285, 4045)]