11784225

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2213}}^1$

素因数の和:2297

約数の個数: 24

約数和(自身を含む): 19766592

約数和(自身を除く): 7982367

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 2213, 5325, 6639, 11065, 33195, 55325, 157123, 165975, 471369, 785615, 2356845, 3928075, 11784225]

約数ペア:

[(1, 11784225), (3, 3928075), (5, 2356845), (15, 785615), (25, 471369), (71, 165975), (75, 157123), (213, 55325), (355, 33195), (1065, 11065), (1775, 6639), (2213, 5325)]