189898281

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 299400192

約数和(自身を除く): 109501911

約数列:

[1, 3, 9, 23, 31, 69, 93, 101, 207, 279, 293, 303, 713, 879, 909, 2139, 2323, 2637, 3131, 6417, 6739, 6969, 9083, 9393, 20217, 20907, 27249, 28179, 29593, 60651, 72013, 81747, 88779, 208909, 216039, 266337, 626727, 648117, 680639, 917383, 1880181, 2041917, 2752149, 6125751, 8256447, 21099809, 63299427, 189898281]

約数ペア:

[(1, 189898281), (3, 63299427), (9, 21099809), (23, 8256447), (31, 6125751), (69, 2752149), (93, 2041917), (101, 1880181), (207, 917383), (279, 680639), (293, 648117), (303, 626727), (713, 266337), (879, 216039), (909, 208909), (2139, 88779), (2323, 81747), (2637, 72013), (3131, 60651), (6417, 29593), (6739, 28179), (6969, 27249), (9083, 20907), (9393, 20217)]