13026405

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 24952320

約数和(自身を除く): 11925915

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 49, 105, 111, 147, 185, 245, 259, 479, 555, 735, 777, 1295, 1437, 1813, 2395, 3353, 3885, 5439, 7185, 9065, 10059, 16765, 17723, 23471, 27195, 50295, 53169, 70413, 88615, 117355, 124061, 265845, 352065, 372183, 620305, 868427, 1860915, 2605281, 4342135, 13026405]

約数ペア:

[(1, 13026405), (3, 4342135), (5, 2605281), (7, 1860915), (15, 868427), (21, 620305), (35, 372183), (37, 352065), (49, 265845), (105, 124061), (111, 117355), (147, 88615), (185, 70413), (245, 53169), (259, 50295), (479, 27195), (555, 23471), (735, 17723), (777, 16765), (1295, 10059), (1437, 9065), (1813, 7185), (2395, 5439), (3353, 3885)]