225540225

素因数分解:

$3^2\times 5^2\times {\mathrm{421}}^1\times {\mathrm{2381}}^1$

素因数の和:2818

約数の個数: 36

約数和(自身を含む): 405097212

約数和(自身を除く): 179556987

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 421, 1263, 2105, 2381, 3789, 6315, 7143, 10525, 11905, 18945, 21429, 31575, 35715, 59525, 94725, 107145, 178575, 535725, 1002401, 3007203, 5012005, 9021609, 15036015, 25060025, 45108045, 75180075, 225540225]

約数ペア:

[(1, 225540225), (3, 75180075), (5, 45108045), (9, 25060025), (15, 15036015), (25, 9021609), (45, 5012005), (75, 3007203), (225, 1002401), (421, 535725), (1263, 178575), (2105, 107145), (2381, 94725), (3789, 59525), (6315, 35715), (7143, 31575), (10525, 21429), (11905, 18945)]