275989315

素因数分解:

$5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 399483360

約数和(自身を除く): 123494045

約数列:

[1, 5, 7, 35, 49, 59, 61, 245, 295, 305, 313, 413, 427, 1565, 2065, 2135, 2191, 2891, 2989, 3599, 10955, 14455, 14945, 15337, 17995, 18467, 19093, 25193, 76685, 92335, 95465, 125965, 129269, 133651, 176351, 646345, 668255, 881755, 904883, 935557, 1126487, 4524415, 4677785, 5632435, 7885409, 39427045, 55197863, 275989315]

約数ペア:

[(1, 275989315), (5, 55197863), (7, 39427045), (35, 7885409), (49, 5632435), (59, 4677785), (61, 4524415), (245, 1126487), (295, 935557), (305, 904883), (313, 881755), (413, 668255), (427, 646345), (1565, 176351), (2065, 133651), (2135, 129269), (2191, 125965), (2891, 95465), (2989, 92335), (3599, 76685), (10955, 25193), (14455, 19093), (14945, 18467), (15337, 17995)]