25680555

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 21493845

約数列:

[1, 3, 5, 9, 15, 31, 41, 45, 93, 123, 155, 205, 279, 369, 449, 465, 615, 1271, 1347, 1395, 1845, 2245, 3813, 4041, 6355, 6735, 11439, 13919, 18409, 19065, 20205, 41757, 55227, 57195, 69595, 92045, 125271, 165681, 208785, 276135, 570679, 626355, 828405, 1712037, 2853395, 5136111, 8560185, 25680555]

約数ペア:

[(1, 25680555), (3, 8560185), (5, 5136111), (9, 2853395), (15, 1712037), (31, 828405), (41, 626355), (45, 570679), (93, 276135), (123, 208785), (155, 165681), (205, 125271), (279, 92045), (369, 69595), (449, 57195), (465, 55227), (615, 41757), (1271, 20205), (1347, 19065), (1395, 18409), (1845, 13919), (2245, 11439), (3813, 6735), (4041, 6355)]