12121305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1723}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 22508544

約数和(自身を除く): 10387239

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 105, 201, 335, 469, 1005, 1407, 1723, 2345, 5169, 7035, 8615, 12061, 25845, 36183, 60305, 115441, 180915, 346323, 577205, 808087, 1731615, 2424261, 4040435, 12121305]

約数ペア:

[(1, 12121305), (3, 4040435), (5, 2424261), (7, 1731615), (15, 808087), (21, 577205), (35, 346323), (67, 180915), (105, 115441), (201, 60305), (335, 36183), (469, 25845), (1005, 12061), (1407, 8615), (1723, 7035), (2345, 5169)]