69968025

素因数分解:

$3^2\times 5^2\times {\mathrm{310969}}^1$

素因数の和:310985

約数の個数: 18

約数和(自身を含む): 125320910

約数和(自身を除く): 55352885

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 310969, 932907, 1554845, 2798721, 4664535, 7774225, 13993605, 23322675, 69968025]

約数ペア:

[(1, 69968025), (3, 23322675), (5, 13993605), (9, 7774225), (15, 4664535), (25, 2798721), (45, 1554845), (75, 932907), (225, 310969)]