25793271

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 45047808

約数和(自身を除く): 19254537

約数列:

[1, 3, 7, 9, 21, 31, 47, 63, 93, 141, 217, 279, 281, 329, 423, 651, 843, 987, 1457, 1953, 1967, 2529, 2961, 4371, 5901, 8711, 10199, 13113, 13207, 17703, 26133, 30597, 39621, 60977, 78399, 91791, 92449, 118863, 182931, 277347, 409417, 548793, 832041, 1228251, 2865919, 3684753, 8597757, 25793271]

約数ペア:

[(1, 25793271), (3, 8597757), (7, 3684753), (9, 2865919), (21, 1228251), (31, 832041), (47, 548793), (63, 409417), (93, 277347), (141, 182931), (217, 118863), (279, 92449), (281, 91791), (329, 78399), (423, 60977), (651, 39621), (843, 30597), (987, 26133), (1457, 17703), (1953, 13207), (1967, 13113), (2529, 10199), (2961, 8711), (4371, 5901)]