25819479

素因数分解:

$3^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 45357312

約数和(自身を除く): 19537833

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 243, 301, 353, 387, 567, 903, 1059, 1161, 1701, 2471, 2709, 3177, 3483, 7413, 8127, 9531, 10449, 15179, 22239, 24381, 28593, 45537, 66717, 73143, 85779, 106253, 136611, 200151, 318759, 409833, 600453, 956277, 1229499, 2868831, 3688497, 8606493, 25819479]

約数ペア:

[(1, 25819479), (3, 8606493), (7, 3688497), (9, 2868831), (21, 1229499), (27, 956277), (43, 600453), (63, 409833), (81, 318759), (129, 200151), (189, 136611), (243, 106253), (301, 85779), (353, 73143), (387, 66717), (567, 45537), (903, 28593), (1059, 24381), (1161, 22239), (1701, 15179), (2471, 10449), (2709, 9531), (3177, 8127), (3483, 7413)]