13525225

素因数分解:

$5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:266

約数の個数: 36

約数和(自身を含む): 19938828

約数和(自身を除く): 6413603

約数列:

[1, 5, 7, 25, 35, 49, 61, 175, 181, 245, 305, 427, 905, 1225, 1267, 1525, 2135, 2989, 4525, 6335, 8869, 10675, 11041, 14945, 31675, 44345, 55205, 74725, 77287, 221725, 276025, 386435, 541009, 1932175, 2705045, 13525225]

約数ペア:

[(1, 13525225), (5, 2705045), (7, 1932175), (25, 541009), (35, 386435), (49, 276025), (61, 221725), (175, 77287), (181, 74725), (245, 55205), (305, 44345), (427, 31675), (905, 14945), (1225, 11041), (1267, 10675), (1525, 8869), (2135, 6335), (2989, 4525)]