1821981945

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{10639}}^1$

素因数の和:10894

約数の個数: 48

約数和(自身を含む): 3405991680

約数和(自身を除く): 1584009735

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 233, 245, 699, 735, 1165, 1631, 3495, 4893, 8155, 10639, 11417, 24465, 31917, 34251, 53195, 57085, 74473, 159585, 171255, 223419, 372365, 521311, 1117095, 1563933, 2478887, 2606555, 7436661, 7819665, 12394435, 17352209, 37183305, 52056627, 86761045, 121465463, 260283135, 364396389, 607327315, 1821981945]

約数ペア:

[(1, 1821981945), (3, 607327315), (5, 364396389), (7, 260283135), (15, 121465463), (21, 86761045), (35, 52056627), (49, 37183305), (105, 17352209), (147, 12394435), (233, 7819665), (245, 7436661), (699, 2606555), (735, 2478887), (1165, 1563933), (1631, 1117095), (3495, 521311), (4893, 372365), (8155, 223419), (10639, 171255), (11417, 159585), (24465, 74473), (31917, 57085), (34251, 53195)]