25612209

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21397}}^1$

素因数の和:21429

約数の個数: 24

約数和(自身を含む): 44507840

約数和(自身を除く): 18895631

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 21397, 64191, 149779, 192573, 406543, 449337, 1219629, 1348011, 2845801, 3658887, 8537403, 25612209]

約数ペア:

[(1, 25612209), (3, 8537403), (7, 3658887), (9, 2845801), (19, 1348011), (21, 1219629), (57, 449337), (63, 406543), (133, 192573), (171, 149779), (399, 64191), (1197, 21397)]