261953769

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{3623}}^1$

素因数の和:3957

約数の個数: 32

約数和(自身を含む): 436967424

約数和(自身を除く): 175013655

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 313, 939, 2191, 3443, 3623, 6573, 10329, 10869, 24101, 25361, 39853, 72303, 76083, 119559, 278971, 836913, 1133999, 3401997, 7937993, 12473989, 23813979, 37421967, 87317923, 261953769]

約数ペア:

[(1, 261953769), (3, 87317923), (7, 37421967), (11, 23813979), (21, 12473989), (33, 7937993), (77, 3401997), (231, 1133999), (313, 836913), (939, 278971), (2191, 119559), (3443, 76083), (3623, 72303), (6573, 39853), (10329, 25361), (10869, 24101)]