27686225

素因数分解:

$5^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:354

約数の個数: 36

約数和(自身を含む): 40520844

約数和(自身を除く): 12834619

約数列:

[1, 5, 7, 25, 35, 49, 97, 175, 233, 245, 485, 679, 1165, 1225, 1631, 2425, 3395, 4753, 5825, 8155, 11417, 16975, 22601, 23765, 40775, 57085, 113005, 118825, 158207, 285425, 565025, 791035, 1107449, 3955175, 5537245, 27686225]

約数ペア:

[(1, 27686225), (5, 5537245), (7, 3955175), (25, 1107449), (35, 791035), (49, 565025), (97, 285425), (175, 158207), (233, 118825), (245, 113005), (485, 57085), (679, 40775), (1165, 23765), (1225, 22601), (1631, 16975), (2425, 11417), (3395, 8155), (4753, 5825)]