13081775

素因数分解:

$5^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:264

約数の個数: 36

約数和(自身を含む): 19295640

約数和(自身を除く): 6213865

約数列:

[1, 5, 7, 25, 35, 49, 59, 175, 181, 245, 295, 413, 905, 1225, 1267, 1475, 2065, 2891, 4525, 6335, 8869, 10325, 10679, 14455, 31675, 44345, 53395, 72275, 74753, 221725, 266975, 373765, 523271, 1868825, 2616355, 13081775]

約数ペア:

[(1, 13081775), (5, 2616355), (7, 1868825), (25, 523271), (35, 373765), (49, 266975), (59, 221725), (175, 74753), (181, 72275), (245, 53395), (295, 44345), (413, 31675), (905, 14455), (1225, 10679), (1267, 10325), (1475, 8869), (2065, 6335), (2891, 4525)]