291298281

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{739}}^1$

素因数の和:949

約数の個数: 32

約数和(自身を含む): 421977600

約数和(自身を除く): 130679319

約数列:

[1, 3, 17, 51, 59, 131, 177, 393, 739, 1003, 2217, 2227, 3009, 6681, 7729, 12563, 23187, 37689, 43601, 96809, 130803, 131393, 290427, 394179, 741217, 1645753, 2223651, 4937259, 5711731, 17135193, 97099427, 291298281]

約数ペア:

[(1, 291298281), (3, 97099427), (17, 17135193), (51, 5711731), (59, 4937259), (131, 2223651), (177, 1645753), (393, 741217), (739, 394179), (1003, 290427), (2217, 131393), (2227, 130803), (3009, 96809), (6681, 43601), (7729, 37689), (12563, 23187)]