291258117

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 446164992

約数和(自身を除く): 154906875

約数列:

[1, 3, 9, 37, 71, 97, 111, 127, 213, 291, 333, 381, 639, 873, 1143, 2627, 3589, 4699, 6887, 7881, 9017, 10767, 12319, 14097, 20661, 23643, 27051, 32301, 36957, 42291, 61983, 81153, 110871, 254819, 333629, 455803, 764457, 874649, 1000887, 1367409, 2293371, 2623947, 3002661, 4102227, 7871841, 32362013, 97086039, 291258117]

約数ペア:

[(1, 291258117), (3, 97086039), (9, 32362013), (37, 7871841), (71, 4102227), (97, 3002661), (111, 2623947), (127, 2293371), (213, 1367409), (291, 1000887), (333, 874649), (381, 764457), (639, 455803), (873, 333629), (1143, 254819), (2627, 110871), (3589, 81153), (4699, 61983), (6887, 42291), (7881, 36957), (9017, 32301), (10767, 27051), (12319, 23643), (14097, 20661)]