178295439

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{3593}}^1$

素因数の和:3759

約数の個数: 32

約数和(自身を含む): 289820160

約数和(自身を除く): 111524721

約数列:

[1, 3, 7, 17, 21, 51, 119, 139, 357, 417, 973, 2363, 2919, 3593, 7089, 10779, 16541, 25151, 49623, 61081, 75453, 183243, 427567, 499427, 1282701, 1498281, 3495989, 8490259, 10487967, 25470777, 59431813, 178295439]

約数ペア:

[(1, 178295439), (3, 59431813), (7, 25470777), (17, 10487967), (21, 8490259), (51, 3495989), (119, 1498281), (139, 1282701), (357, 499427), (417, 427567), (973, 183243), (2363, 75453), (2919, 61081), (3593, 49623), (7089, 25151), (10779, 16541)]