27687555

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 57093120

約数和(自身を除く): 29405565

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 83, 105, 135, 189, 249, 315, 353, 415, 581, 747, 945, 1059, 1245, 1743, 1765, 2241, 2471, 2905, 3177, 3735, 5229, 5295, 7413, 8715, 9531, 11205, 12355, 15687, 15885, 22239, 26145, 29299, 37065, 47655, 66717, 78435, 87897, 111195, 146495, 205093, 263691, 333585, 439485, 615279, 791073, 1025465, 1318455, 1845837, 3076395, 3955365, 5537511, 9229185, 27687555]

約数ペア:

[(1, 27687555), (3, 9229185), (5, 5537511), (7, 3955365), (9, 3076395), (15, 1845837), (21, 1318455), (27, 1025465), (35, 791073), (45, 615279), (63, 439485), (83, 333585), (105, 263691), (135, 205093), (189, 146495), (249, 111195), (315, 87897), (353, 78435), (415, 66717), (581, 47655), (747, 37065), (945, 29299), (1059, 26145), (1245, 22239), (1743, 15885), (1765, 15687), (2241, 12355), (2471, 11205), (2905, 9531), (3177, 8715), (3735, 7413), (5229, 5295)]