77972925

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 133562880

約数和(自身を除く): 55589955

約数列:

[1, 3, 5, 15, 25, 59, 67, 75, 177, 201, 263, 295, 335, 789, 885, 1005, 1315, 1475, 1675, 3945, 3953, 4425, 5025, 6575, 11859, 15517, 17621, 19725, 19765, 46551, 52863, 59295, 77585, 88105, 98825, 232755, 264315, 296475, 387925, 440525, 1039639, 1163775, 1321575, 3118917, 5198195, 15594585, 25990975, 77972925]

約数ペア:

[(1, 77972925), (3, 25990975), (5, 15594585), (15, 5198195), (25, 3118917), (59, 1321575), (67, 1163775), (75, 1039639), (177, 440525), (201, 387925), (263, 296475), (295, 264315), (335, 232755), (789, 98825), (885, 88105), (1005, 77585), (1315, 59295), (1475, 52863), (1675, 46551), (3945, 19765), (3953, 19725), (4425, 17621), (5025, 15517), (6575, 11859)]