13209175

素因数分解:

$5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:328

約数の個数: 36

約数和(自身を含む): 19592496

約数和(自身を除く): 6383321

約数列:

[1, 5, 7, 25, 35, 41, 49, 175, 205, 245, 263, 287, 1025, 1225, 1315, 1435, 1841, 2009, 6575, 7175, 9205, 10045, 10783, 12887, 46025, 50225, 53915, 64435, 75481, 269575, 322175, 377405, 528367, 1887025, 2641835, 13209175]

約数ペア:

[(1, 13209175), (5, 2641835), (7, 1887025), (25, 528367), (35, 377405), (41, 322175), (49, 269575), (175, 75481), (205, 64435), (245, 53915), (263, 50225), (287, 46025), (1025, 12887), (1225, 10783), (1315, 10045), (1435, 9205), (1841, 7175), (2009, 6575)]