71685225

素因数分解:

$3^2\times 5^2\times {\mathrm{318601}}^1$

素因数の和:318617

約数の個数: 18

約数和(自身を含む): 128396606

約数和(自身を除く): 56711381

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 318601, 955803, 1593005, 2867409, 4779015, 7965025, 14337045, 23895075, 71685225]

約数ペア:

[(1, 71685225), (3, 23895075), (5, 14337045), (9, 7965025), (15, 4779015), (25, 2867409), (45, 1593005), (75, 955803), (225, 318601)]